CVE-2021-35211 - Vulnerability Details

Threat entity extracted from intelligence sources

Frequency
4
occurrences
First Seen
February 24, 2026
Last Seen
June 5, 2026

CVE-2021-35211 is a vulnerability tracked across 3 threat clusters and 4 intelligence report mentions on ThreatCluster. First observed February 24, 2026; most recent activity June 5, 2026.

Related Threat Clusters

  • Active Exploitation of SolarWinds Serv-U Flaw CVE-2026-28318

    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…

    13 articles · Updated June 5, 2026
  • Critical Vulnerabilities in SolarWinds Serv-U Software Patched

    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…

    19 articles · Updated February 24, 2026
  • Active Exploitation of BeyondTrust RCE Vulnerability Detected

    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…

    30 articles · Updated February 13, 2026

Recent Intelligence Reports

  • CISA: Hackers now exploit SolarWinds Serv-U flaw to crash servers — Bleepingcomputer · June 5, 2026
  • CISA: Hackers now exploit SolarWinds Serv — Bleepingcomputer · June 5, 2026
  • Critical SolarWinds Serv-U flaws offer root access to servers — Bleepingcomputer · February 24, 2026
  • Critical SolarWinds Serv — Bleepingcomputer · February 24, 2026

CVSS v3.1 Breakdown