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VulnerabilitycriticalExploited in the wild

CISA: Patch actively exploited SolarWinds Serv-U DoS vulnerability (CVE-2026-28318)

Help Net Securityby @zeljkazorz ()2 min read4 · 1 read
Analyze CVE-2026-28318 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2021-35211
Unauthenticated RCE (Remote Memory Escape) in SolarWinds Serv-U
10.091%KEVRansomware
KEV
CVE-2021-35247
Actively Exploited Input Validation Flaw in SolarWinds Serv-U LDAP Login
5.33%KEV
KEV
CVE-2024-28995
Unauthenticated Path Traversal File-Read in SolarWinds Serv-U
7.5100%KEV
KEV
CVE-2026-28318
Unauthenticated DoS in SolarWinds Serv-U via crafted Content-Encoding: deflate POSTs
7.544%KEV
KEV

From the original article

2 min read at helpnetsecurity.com

A vulnerability (CVE-2026-28318) that can be exploited to crash SolarWinds Serv-U file transfer servers is being leveraged by attackers in the wild, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed on Friday. The agency has ordered US federal civilian agencies to address it by June 19, 2026, either by implementing a patch or implementing mitigations.

Help Net Security

By @zeljkazorz · helpnetsecurity.com

Read the full article at Help Net Security

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.