CVE-2026-20045: Cisco 제품에서 발견된 심각한 제로데이

CVE-2026-20045: Cisco 제품에서 발견된 심각한 제로데이, 실제 환경에서 악용 중

Daryna Olyniychuk 마케팅 팀 리드

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Palo Alto Networks의 GlobalProtect의 DoS 취약점의 여파로 (CVE-2026-0227), 보안 전문가들은 또 다른 주요 도전에 직면해 있습니다. 이번에는 Cisco가 여러 통합 커뮤니케이션 제품에서 중대한 원격 코드 실행(RCE) 취약점이 발생했다고 발표했습니다. 성공적으로 악용되면, 이 결함은 해커가 장치의 기본 OS에서 악의적인 명령을 실행할 수 있게 합니다. CVE-2026-0227은 악의적인 행위자에 의해 빠르게 주목받았으며, Cisco는 실전 공격에서 해당 취약점을 악용하려는 시도를 발견했습니다.

이 최신 RCE는 작년 말 공개된 Cisco 제품의 고위험 취약점 목록에 추가됩니다. 여기에는 Cisco ISE와 SE-PIC의 RCE 결함 (CVE-2025-20281, CVE-2025-20282), 그리고 AsyncOS 소프트웨어의 중대한 제로데이 (CVE-2025-20393)가 포함됩니다.

제로데이 악용 빈도가 증가하고 패치 기간이 단축되면서 SOC 팀에 전례 없는 압박이 가해지고 있습니다. 2025 Verizon Data Breach Investigations Report에 따르면, 취약점 악용에서 기인한 침해가 전년 대비 34% 증가했습니다. 이러한 급격한 증가는 반응적인 패치만으로는 더 이상 충분하지 않다는 것을 강조하며, 보다 프로액티브하고 심층적인 방어 전략이 필요함을 시사합니다.

SOC Prime 플랫폼에 가입하여세계 최대의 탐지 인텔리전스 데이터셋을 제공하고 탐지부터 시뮬레이션까지의 전체 파이프라인을 아우르며, 귀하의 SOC를 다음 수준으로 끌어올리고 APT 공격, 악용 캠페인 및 다양한 규모와 정교함의 사이버 위협을 사전에 차단합니다. 탐지 탐색 을(를) 눌러 중요한 취약점을 해결하는 포괄적이고 맥락이 풍부한 규칙 세트를 얻고 해당 ‘CVE’ 태그로 필터링됩니다.

탐지 탐색

모든 탐지 규칙은 여러 SIEM, EDR 및 Data Lake 플랫폼에서 사용할 수 있으며 최신 MITRE ATT&CK® 프레임워크 v18.1과 일치합니다. AI 중심의 위협 인텔리전스를 탐색하고 CTI 참조, 공격 타임라인, 감사 설정, 분류 추천 및 각 규칙이 풍부해진 추가 위협 맥락을 포함합니다.

보안 팀은 또한 Uncoder AI 를 활용하여 엔드 투 엔드 탐지 엔지니어링을 가속화할 수 있으며, 여기에는 실시간 위협 보고서에서 자동으로 규칙 생성, 논리 정제 및 유효성 검사, 공격 흐름 시각화, IOC를 맞춤형 사냥 쿼리로 변환, 여러 언어로 탐지 코드를 즉시 번역하는 기능이 포함됩니다.

CVE-2026-20045 분석

2026년 1월 21일, Cisco는 HTTP 요청에서 사용자가 제공한 입력의 부적절한 유효성 검사로 인해 발생하는 중대한 코드 인젝션 취약점을 패치했습니다. 이 자문 은 위협 행위자가 표적 인스턴스의 웹 기반 관리 인터페이스로 조작된 HTTP 요청 세트를 보내어 이 결함을 악용할 수 있음을 상세히 설명합니다. 악용 시, 해커는 운영 체제에 대한 사용자 수준 액세스를 얻고 권한을 루트로 상승시킬 수 있습니다.

벤더에 따르면, Unified CM, Unified CM Session Management Edition (SME), Unified CM IM & Presence Service (IM&P), Unity Connection 및 Webex Calling 전용 인스턴스가 취약하다고 밝혀졌습니다. 실전 악용이 지속되고 있어 해결 방법이 제공되지 않는 상황에서 Cisco는 사용자가 패치를 즉시 적용할 것을 권장합니다.

눈에 띄게, CVE-2026-20045는 신속하게 CISA의 알려진 악용 취약점(KEV) 카탈로그 에 추가되었습니다. 연방 기관은 이에 대응하는 업데이트를 2026년 2월 11일 이전까지 적용해야 하며, 시정의 긴급성을 강조합니다.

CVE-2026-20045의 빠르게 진행되는 악용은 전 세계 조직에 대한 연속 공격 위험이 증가하고 있음을 시사합니다. 악용 시도 위험을 최소화하려면 SOC Prime의 AI-기반 탐지 인텔리전스 플랫폼을(를) 신뢰하십시오. 이는 SOC 팀이 최신 기술과 최고 수준의 사이버 보안 전문 지식으로 신흥 위협보다 앞서 나가면서 운영 효율성을 유지할 수 있도록 장비합니다.

Name	Descripiton
PHPSESSID	Preserves user session state across page requests. Cookie generated by applications based on the PHP language. This is a general purpose identifier used to maintain user session variables. It is normally a random generated number, how it is used can be specific to the site, but a good example is maintaining a logged-in status for a user between pages.
sp_i	Used to store information about authenticated User.
sp_r	Used to store information about authenticated User.
sp_a	Used to store information about authenticated User.

Name	Descripiton
tuuid	Collects anonymous data related to the user's visits to the website, such as the number of visits, average time spent on the website and what pages have been loaded.
tuuid_last_update	Collects anonymous data related to the user's visits to the website, such as the number of visits, average time spent on the website and what pages have been loaded.
um	Collects anonymous data related to the user's visits to the website, such as the number of visits, average time spent on the website and what pages have been loaded.
umeh	Collects anonymous data related to the user's visits to the website, such as the number of visits, average time spent on the website and what pages have been loaded.
na_sc_x	Used by the social sharing platform AddThis to keep a record of parts of the site that has been visited in order to recommend other parts of the site.
APID	Collects anonymous data related to the user's visits to the website.
IDSYNC	Collects anonymous data related to the user's visits to the website.
_cc_aud	Collects anonymous statistical data related to the user's website visits, such as the number of visits, average time spent on the website and what pages have been loaded. The purpose is to segment the website's users according to factors such as demographics and geographical location, in order to enable media and marketing agencies to structure and understand their target groups to enable customised online advertising.
_cc_cc	Collects anonymous statistical data related to the user's website visits, such as the number of visits, average time spent on the website and what pages have been loaded. The purpose is to segment the website's users according to factors such as demographics and geographical location, in order to enable media and marketing agencies to structure and understand their target groups to enable customised online advertising.
_cc_dc	Collects anonymous statistical data related to the user's website visits, such as the number of visits, average time spent on the website and what pages have been loaded. The purpose is to segment the website's users according to factors such as demographics and geographical location, in order to enable media and marketing agencies to structure and understand their target groups to enable customised online advertising.
_cc_id	Collects anonymous statistical data related to the user's website visits, such as the number of visits, average time spent on the website and what pages have been loaded. The purpose is to segment the website's users according to factors such as demographics and geographical location, in order to enable media and marketing agencies to structure and understand their target groups to enable customised online advertising.
dpm	Via a unique ID that is used for semantic content analysis, the user's navigation on the website is registered and linked to offline data from surveys and similar registrations to display targeted ads.
acs	Collects anonymous data related to the user's visits to the website, such as the number of visits, average time spent on the website and what pages have been loaded, with the purpose of displaying targeted ads.
clid	Collects anonymous data related to the user's visits to the website, such as the number of visits, average time spent on the website and what pages have been loaded, with the purpose of displaying targeted ads.
KRTBCOOKIE_#	Registers a unique ID that identifies the user's device during return visits across websites that use the same ad network. The ID is used to allow targeted ads.
PUBMDCID	Registers a unique ID that identifies the user's device during return visits across websites that use the same ad network. The ID is used to allow targeted ads.
PugT	Registers a unique ID that identifies the user's device during return visits across websites that use the same ad network. The ID is used to allow targeted ads.
ssi	Registers a unique ID that identifies a returning user's device. The ID is used for targeted ads.
_tmid	Registers a unique ID that identifies the user's device upon return visits. The ID is used to target ads in video clips.
wam-sync	Used by the advertising platform Weborama to determine the visitor's interests based on pages visits, content clicked and other actions on the website.
wui	Used by the advertising platform Weborama to determine the visitor's interests based on pages visits, content clicked and other actions on the website.
AFFICHE_W	Used by the advertising platform Weborama to determine the visitor's interests based on pages visits, content clicked and other actions on the website.
B	Collects anonymous data related to the user's website visits, such as the number of visits, average time spent on the website and what pages have been loaded. The registered data is used to categorise the users' interest and demographical profiles with the purpose of customising the website content depending on the visitor.
1P_JAR	These cookies are used to gather website statistics, and track conversion rates.
APISID	Google set a number of cookies on any page that includes a Google reCAPTCHA. While we have no control over the cookies set by Google, they appear to include a mixture of pieces of information to measure the number and behaviour of Google reCAPTCHA users.
HSID	Google set a number of cookies on any page that includes a Google reCAPTCHA. While we have no control over the cookies set by Google, they appear to include a mixture of pieces of information to measure the number and behaviour of Google reCAPTCHA users.
NID	Google set a number of cookies on any page that includes a Google reCAPTCHA. While we have no control over the cookies set by Google, they appear to include a mixture of pieces of information to measure the number and behaviour of Google reCAPTCHA users.
SAPISID	Google set a number of cookies on any page that includes a Google reCAPTCHA. While we have no control over the cookies set by Google, they appear to include a mixture of pieces of information to measure the number and behaviour of Google reCAPTCHA users.
SID	Google set a number of cookies on any page that includes a Google reCAPTCHA. While we have no control over the cookies set by Google, they appear to include a mixture of pieces of information to measure the number and behaviour of Google reCAPTCHA users.
SIDCC	Security cookie to protect users data from unauthorised access.
SSID	Google set a number of cookies on any page that includes a Google reCAPTCHA. While we have no control over the cookies set by Google, they appear to include a mixture of pieces of information to measure the number and behaviour of Google reCAPTCHA users.
__utmx	This cookie is associated with Google Website Optimizer, a tool designed to help site owners improve their wbesites. It is used to distinguish between two varaitions a webpage that might be shown to a visitor as part of an A/B split test. This helps site owners to detemine which version of a page performs better, and therefore helps to improve the website.
__utmxx	This cookie is associated with Google Website Optimizer, a tool designed to help site owners improve their wbesites. It is used to distinguish between two varaitions a webpage that might be shown to a visitor as part of an A/B split test. This helps site owners to detemine which version of a page performs better, and therefore helps to improve the website.

Name	Descripiton
_hjid	Hotjar cookie. This cookie is set when the customer first lands on a page with the Hotjar script. It is used to persist the random user ID, unique to that site on the browser. This ensures that behavior in subsequent visits to the same site will be attributed to the same user ID.
_hjIncludedInSample	This cookie is associated with web analytics functionality and services from Hot Jar, a Malta based company. It uniquely identifies a visitor during a single browser session and indicates they are included in an audience sample.
intercom-id-[xxx]	This cookie is used by Intercom as a session so that users can continue a chat as they move through the site.
intercom-session-[xxx]	Used to keeping track of sessions and remember logins and conversations.
demdex	Via a unique ID that is used for semantic content analysis, the user's navigation on the website is registered and linked to offline data from surveys and similar registrations to display targeted ads.
CookieConsent	Stores the user's cookie consent state for the current domain.
__cfduid	Used by the content network, Cloudflare, to identify trusted web traffic.
ss	These cookies enable the website to provide enhanced functionality and personalisation . They may be set by us or by third party providers whose services we have added to our pages. These services may include the Live Chat facility, Contact Us form(s), the Product Quotation forms and submission process, and the Email Newsletter sign up functionality .

Name	Descripiton
_ga	This cookie name is asssociated with Google Universal Analytics - which is a significant update to Google's more commonly used analytics service. This cookie is used to distinguish unique users by assigning a randomly generated number as a client identifier. It is included in each page. Registers a unique ID that is used to generate statistical data on how the visitor uses the website. request in a site and used to calculate visitor, session and campaign data for the sites analytics reports. By default it is set to expire after 2 years, although this is customisable by website owners.
_gat	Used by Google Analytics to throttle request rate. This cookie name is associated with Google Universal Analytics, according to documentation it is used to throttle the request rate - limiting the collection of data on high traffic sites. It expires after 10 minutes.
_gid	This cookie name is asssociated with Google Universal Analytics. This appears to be a new cookie and as of Spring 2017 no information is available from Google. It appears to store and update a unique value for each page visited. Registers a unique ID that is used to generate statistical data on how the visitor uses the website.
IDE	Used by Google DoubleClick to register and report the website user's actions after viewing or clicking one of the advertiser's ads with the purpose of measuring the efficacy of an ad and to present targeted ads to the user.
r/collect	Used by Google DoubleClick to register and report the website user's actions after viewing or clicking one of the advertiser's ads with the purpose of measuring the efficacy of an ad and to present targeted ads to the user.
test_cookie	Used to check if the user's browser supports cookies.
collect	Used to send data to Google Analytics about the visitor's device and behaviour. Tracks the visitor across devices and marketing channels.
ads/user-lists/#	These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant adverts on other sites.
c	Registers anonymised user data, such as IP address, geographical location, visited websites, and what ads the user has clicked, with the purpose of optimising ad display based on the user's movement on websites that use the same ad network.
khaos	Registers anonymised user data, such as IP address, geographical location, visited websites, and what ads the user has clicked, with the purpose of optimising ad display based on the user's movement on websites that use the same ad network.
put_#	Registers anonymised user data, such as IP address, geographical location, visited websites, and what ads the user has clicked, with the purpose of optimising ad display based on the user's movement on websites that use the same ad network.
rpb	Registers anonymised user data, such as IP address, geographical location, visited websites, and what ads the user has clicked, with the purpose of optimising ad display based on the user's movement on websites that use the same ad network.
rpx	Registers anonymised user data, such as IP address, geographical location, visited websites, and what ads the user has clicked, with the purpose of optimising ad display based on the user's movement on websites that use the same ad network.
tap.php	Registers anonymised user data, such as IP address, geographical location, visited websites, and what ads the user has clicked, with the purpose of optimising ad display based on the user's movement on websites that use the same ad network.

CVE-2026-20045: Cisco 제품에서 발견된 심각한 제로데이, 실제 환경에서 악용 중

CVE-2026-20045 분석

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