01 Record
CVE-2025-31161
CrushFTP 10 before 10.8.4 and 11 before 11.3.1 allows authentication bypass and takeover of the crushadmin account (unless a DMZ proxy instance is used), as exploited in the wild in March and April
CriticalKEVPUBLISHEDCNA: mitre
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
02 Description
CrushFTP 10 before 10.8.4 and 11 before 11.3.1 allows authentication bypass and takeover of the crushadmin account (unless a DMZ proxy instance is used), as exploited in the wild in March and April
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2025-04-07. Federal remediation due 2025-04-28. Known ransomware campaign use: reported by CISA.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 99.96% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.9% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-04-03 00:00Z1 YR AGO
- Last updated
- 2025-10-21 22:55Z1 YR AGO
- Reserved
- 2025-03-27
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-305Authentication Bypass by Primary WeaknessBase
- Data version
- 5.1
- Document digest
- 1691e4ab80cae9b6e8217b773ab2297ca16bf1d4dbe837f0deeaa2bb019af749
05 Affected products
VendorProductVersionsPlatforms
06 References
- outpost24.comhttps://outpost24.com/blog/crushftp-auth-bypass-vulnerability/
- crushftp.comhttps://crushftp.com/crush11wiki/Wiki.jsp?page=Update#section-Update-VulnerabilityInfo
- projectdiscovery.iohttps://projectdiscovery.io/blog/crushftp-authentication-bypass
- www.darkreading.comhttps://www.darkreading.com/vulnerabilities-threats/disclosure-drama-clouds-crushftp-vulnerability-exploitation
- www.huntress.comhttps://www.huntress.com/blog/crushftp-cve-2025-31161-auth-bypass-and-post-exploitation
- attackerkb.comhttps://attackerkb.com/topics/k0EgiL9Psz/cve-2025-2825/rapid7-analysis
- www.infosecurity-magazine.comhttps://www.infosecurity-magazine.com/news/crushftp-flaw-exploited-disclosure/
- www.vicarius.iohttps://www.vicarius.io/vsociety/posts/cve-2025-31161-detect-crushftp-vulnerability
- www.vicarius.iohttps://www.vicarius.io/vsociety/posts/cve-2025-31161-mitigate-crushftp-vulnerability
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-31161