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CVE-2021-35211

CVE

Threat entity extracted from intelligence sources

Frequency
4
occurrences
First Seen
February 24, 2026
Last Seen
June 5, 2026
API
Exploited in Wild
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Ransomware Use
—
Public Exploits
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Attack Vector
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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued a warning regarding the active exploitation of a high-severity vulnerability in SolarWinds Serv-U, tracked as CVE-2026-28318. This flaw allows remote attackers to crash the Serv-U service using specially crafted POST request...

SolarWinds has issued security updates for four critical remote code execution vulnerabilities in its Serv-U software, which could allow attackers to gain root access to unpatched servers. The affected software is used for secure file transfers on Windows and Linux systems. The most severe flaw has...

A remote code execution (RCE) vulnerability in BeyondTrust products is currently under active exploitation. Organizations using affected BeyondTrust software are at risk, and immediate action is recommended to mitigate potential breaches. Details regarding the specific CVE and its impact are pending...

Public Exploits

Checking GitHub for proof-of-concept code…