CVE-2025-40554 Public exploit Critical · 9.8 EPSS 60.6%
SolarWinds Web Help Desk Authentication Bypass Vulnerability
SolarWinds · Web Help Desk
Summary
SolarWinds Web Help Desk contains an authentication bypass flaw in its authentication handling, classified as weak authentication. An attacker with network access can exploit it without credentials or user interaction to invoke specific actions within Web Help Desk.
Official description · CVE.org
SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, if exploited, could allow an attacker to invoke specific actions within Web Help Desk.
Priority scorePatchfirst’s 0 to 100 ranking. It adds points for CISA KEV listing, ransomware use, EPSS, threat reports, public exploit code and CVSS. Every CVE page shows the breakdown. Breakdown
81.7 / 100
- Exploited
- Yes, in VulnCheck KEV
- Reports
- 0
- Tactics
- 0/15
Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
First seen exploited 3 months after disclosure. Public exploit code (PoC-in-GitHub) appeared 1 day after disclosure.
- Disclosedday 0
- Public exploit codePoC-in-GitHub+1 day
- First seen exploitedVulnCheck KEV evidence+3 mo
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
No techniques linkedNo ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.