CVE-2021-21974

OpenSLP as used in ESXi (7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG) has a heap-overflow vulnerability. A malicious actor residing within the same network segment as ESXi who has access to port 427 may be able to trigger the heap-overflow issue in OpenSLP service resulting in remote code execution.

Publication date: Wed, 24 Feb 2021 00:00:00 +0000

Cyber News related to CVE-2021-21974

A largescale ransomware attack is targeting VMware ESXi servers around the world - Administrators, hosting providers, and the French Computer Emergency Response Team have warned that attackers are actively targeting VMware ESXi servers that have not been patched against a two-year-old remote code execution vulnerability to deploy ...
2 years ago Bleepingcomputer.com CVE-2021-21974

Investigation of Possible Causes of ESXiArgs Ransomware Attacks Suggests VMware is Not at Fault - Edward Hawkins, the High-Profile Product Incident Response Manager at VMware, has denied allegations that two-year-old security flaws have been used in the current ESXiArgs ransomware attacks. Over the weekend, reports surfaced about cybercriminals ...
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Hackers Target Over 3800 Servers with ESXiArgs Ransomware and Make Improvements to the Malware - Recent developments in the ESXiArgs ransomware attacks have been uncovered, including the encryption method used by the hackers, the victims, and the vulnerability exploited. The US Cybersecurity and Infrastructure Security Agency released an open ...
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No Proof of Unpatched Vulnerabilities Being Used in ESXiArgs Ransomware Assaults VMware - VMware has warned customers to take action as unpatched ESXi servers are being targeted by ESXiArgs ransomware attacks. Hackers are exploiting CVE-2021-21974, a high-severity ESXi remote code execution vulnerability related to OpenSLP that was ...
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CISA Releases Solution to Help Combat ESXiArgs Ransomware as Florida Institutions Suffer - The Cybersecurity and Infrastructure Security Agency (CISA) has released a script to help organizations affected by the ESXiArgs ransomware. This ransomware has caused disruption to many organizations around the world since last Friday. CISA has ...
2 years ago Therecord.media CVE-2021-21974

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CVE-2021-28346 - Remote Procedure Call Runtime Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-28327, CVE-2021-28329, CVE-2021-28330, CVE-2021-28331, CVE-2021-28332, CVE-2021-28333, CVE-2021-28334, CVE-2021-28335, CVE-2021-28336, ...
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CVE-2021-28358 - Remote Procedure Call Runtime Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-28327, CVE-2021-28329, CVE-2021-28330, CVE-2021-28331, CVE-2021-28332, CVE-2021-28333, CVE-2021-28334, CVE-2021-28335, CVE-2021-28336, ...
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CVE-2021-28334 - Remote Procedure Call Runtime Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-28327, CVE-2021-28329, CVE-2021-28330, CVE-2021-28331, CVE-2021-28332, CVE-2021-28333, CVE-2021-28335, CVE-2021-28336, CVE-2021-28337, ...
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CVE-2021-28332 - Remote Procedure Call Runtime Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-28327, CVE-2021-28329, CVE-2021-28330, CVE-2021-28331, CVE-2021-28333, CVE-2021-28334, CVE-2021-28335, CVE-2021-28336, CVE-2021-28337, ...
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CVE-2021-28335 - Remote Procedure Call Runtime Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-28327, CVE-2021-28329, CVE-2021-28330, CVE-2021-28331, CVE-2021-28332, CVE-2021-28333, CVE-2021-28334, CVE-2021-28336, CVE-2021-28337, ...
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CVE-2021-46976 - In the Linux kernel, the following vulnerability has been resolved: ...
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CVE-2021-45511 - Certain NETGEAR devices are affected by authentication bypass. This affects AC2100 before 2021-08-27, AC2400 before 2021-08-27, AC2600 before 2021-08-27, D7000 before 2021-08-27, R6220 before 2021-08-27, R6230 before 2021-08-27, R6260 before ...
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A Huge Number of People Have Been Affected by the ESXiArgs Ransomware Attack - European cybersecurity authorities are warning of a large-scale attack on a two-year-old VMWare ESXi vulnerability by ransomware actors. This campaign has been named ESXiArgs because the ransomware creates an additional file with the extension. ...
2 years ago Therecord.media CVE-2021-21974

CISA Provides Assistance to People Affected by ESXiArgs Ransomware - The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has created a new tool to help those affected by ESXiArgs ransomware. This open-source tool, called SXiArgs-Recover, is designed to help victims recover their virtual machines that have ...
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Exploiting a VMware Vulnerability to Launch Ransomware Attacks on ESXi Servers - Recently, cybercriminals have been targeting VMware ESXi hypervisors with ransomware attacks. These attacks are believed to be exploiting CVE-2021-21974, which had a patch released on February 23, 2021. VMware's alert stated that the vulnerability ...
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Preventing ESXi Servers From Being Affected by Nevada Ransomware - A new wave of ransomware attacks is targeting VMware ESXi hypervisors, which are enterprise-class and type-1 virtualization services. A patch for CVE-2021-21974 was released on February 23, 2021, according to the Computer Emergency Response Team of ...
2 years ago Heimdalsecurity.com CVE-2021-21974

Ransomware Attack Exploiting an Outdated Vulnerability on Numerous VMware ESXi Servers - Recently, a large-scale ransomware attack has been targeting unpatched and unprotected VMware ESXi servers around the world. The attack, known as ESXiArgs, is exploiting a vulnerability called CVE-2021-21974, which was patched by VMware in February ...
2 years ago Securityweek.com CVE-2021-21974

A largescale cyberattack using ransomware has been aimed at VMware ESXi servers around the world - A malicious ransomware attack has been launched against thousands of servers running the VMware ESxi hypervisor, with many more expected to be affected, according to security experts and national cybersecurity agencies. The Computer Emergency ...
2 years ago Csoonline.com CVE-2021-21974

No Signs of Unpatched Vulnerabilities Discovered in ESXiArgs Ransomware Attacks - VMware reported on Monday that there is no proof that hackers are using an unknown security flaw, also known as a zero-day, in its software as part of a ransomware attack. Most reports suggest that outdated products with known vulnerabilities that ...
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CVE-2021-21974 - OpenSLP as used in ESXi (7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG) has a heap-overflow vulnerability. A malicious actor residing within the same network segment as ESXi who has access to port 427 ...
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Vulnerability Summary for the Week of March 11, 2024 - Published 2024-03-15 CVSS Score not yet calculated Source & Patch Info CVE-2021-47111416baaa9-dc9f-4396-8d5f-8c081fb06d67416baaa9-dc9f-4396-8d5f-8c081fb06d67416baaa9-dc9f-4396-8d5f-8c081fb06d67 PrimaryVendor - Product linux - linux Description In the ...
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