Tag: Vulnerability

CVE-2017-11882: Two-Decades-Old Vulnerability in Microsoft Office Still Actively Leveraged For Malware Delivery

Despite being patched for three years already, hackers reportedly rely on an old remote code execution vulnerability in Microsoft Office (CVE-2017-11882) to infect victims with malware. According to the threat analysis report from HP Bromium, the flaw accounts for nearly three-quarters of all exploits leveraged in Q4 2020. CVE-2017-11882 Description CVE-2017-11882 is a memory corruption […]

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Operation Exchange Marauder

HAFNIUM APT Exploits Microsoft Exchange Zero-Days to Steal Data and Install Malware In January 2021, security researchers from Violexity revealed a long-term malicious operation launched by China-affiliated HAFNIUM APT against a number of unnamed organizations. Threat actors leveraged a set of previously undisclosed zero-day vulnerabilities in Microsoft Exchange to access sensitive corporate information and perform […]

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IBM QRadar Remote Code Execution Vulnerability (CVE-2020-4888) Detection

On January 27, 2021, IBM released an official patch for a serious remote code execution vulnerability affecting its QRadar SIEM. CVE-2020-4888 Description The security hole occurs because the Java deserialization function fails to deserialize a user-supplied input securely. As a result, remote low-privileged hackers can execute arbitrary commands on the affected system by sending a […]

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Critical Unauthorized Remote Code Execution in VMware vCenter (CVE-2021-21972)

On February 23, 2021, VMware addressed a critical unauthorized remote code execution (RCE) bug (CVE-2021-21972) in its default vCenter Server plugin. Right after the announcement and the advisory release, threat actors started mass scans for publicly exposed instances. To date, researchers have detected 6700 VMware vCenter servers exposed to the attacks. As far as public […]

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Microsoft Addressed a 12-Years-Old Privilege Escalation Vulnerability in Windows Defender

In February 2021, Microsoft patched a privilege escalation bug in Microsoft Defender Antivirus (formerly Windows Defender) that might provide threat actors with the ability to gain admin rights on the vulnerable host and disable pre-installed security products. SentinelOne experts, who revealed the issue, report that the flaw was introduced back in 2009 and stayed undisclosed […]

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Heap Buffer Overflow in Sudo (CVE-2021-3156) Enables Privilege Escalation on Linux OS

A recently-disclosed security issue in Sudo provides unauthenticated hackers with the ability to escalate their privileges to root on any Linux device. The flaw was imported back in 2011 and remained undetected for nearly a decade. Linux Sudo Vulnerability Description Sudo is a standard service for system administrators, which is ubiquitously applied across the majority […]

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Unpatched NTFS Zero-Day in Windows 10 Damages Hard Drive with a Single File View

The information security analyst Jonas L has discovered an alarming bug in Windows 10 that might corrupt any hard drive (HD) relying on the NTFS formatting. A zero-day flaw remains unpatched despite the researcher has pointed up to it since autumn 2020. NTFS Vulnerability Analysis The NTFS zero-day vulnerability exists in Windows 10 build 1803, […]

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CVE-2020-29583: Secret Backdoor Vulnerability in Zyxel Products

Threat actors exploit a recently discovered Zyxel secret backdoor in the wild. It’s high time to patch since adversaries are instantly searching for vulnerable installations to gain momentum before updates are installed. CVE-2020-29583 Overview The bug occurs since a number of Zyxel products incorporate an undocumented root account leveraging hardcoded login details accessible in the […]

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Zoho ManageEngine ServiceDesk Plus Vulnerability Detection and Mitigation

Zoho ManageEngine ServiceDesk Plus Exploit Detection Security researchers warn that hackers continue to exploit Zoho ManageEngine ServiceDesk Plus (SDP) vulnerability in the wild. Despite the patch released in Q1 2019, many instances remain vulnerable, allowing adversaries to deploy web shell malware and compromise targeted networks. CVE-2019-8394 Analysis The vulnerability (CVE-2019–8394) was disclosed on February 18, […]

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CVE-2020-14882

In late October 2020, the world of cybersecurity spotted malicious activity targeted at the Oracle WebLogic servers. This activity took the form of recurring exploitation of a RCE weakness in the Oracle WebLogic server console component known as CVE-2020-14882. This CVE was rated as critical by gaining 9,8 scores on the CVSS scale.  CVE-2020-14882 Overview […]

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