[ CVE-2021-27103 · Published 16 Feb 2021 ]
Accellion FTA Server-Side Request Forgery (SSRF) Vulnerability
Exploited · CISA KEV CVSS 9.8
EPSS 11%No fix listed yet
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
- Known to be used in ransomware campaigns
- EPSS: 11% chance of exploitation in the next 30 days (higher than 96% of CVEs)
- Critical severity: CVSS 9.8
[ Description ]Official description
Accellion FTA 9_12_411 and earlier is affected by SSRF via a crafted POST request to wmProgressstat.html. The fixed version is FTA_9_12_416 and later.
CISA: Accellion FTA contains a server-side request forgery (SSRF) vulnerability exploited via a crafted POST request to wmProgressstat.html.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 17 Nov 2021): Apply updates per vendor instructions.
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/accellion/CVEs/blob/main/CVE-2021-27103.txtBroken LinkProduct
- www.accellion.com/products/ftaProduct
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource