Accellion FTA 9_12_411 and earlier is affected by SSRF via a crafted POST request to…
Priority CRITICAL 100Exploited in the wildCWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation Active In CISA KEV since 2021-11-03CISA due date 2021-11-17Known ransomware use
EPSS 0.11406 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2021-11-03 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2021-27103
- 2026-10-03 Alias added: GHSA-j665-969m-hg73
References
More Accellion Fta vulnerabilities
- TI-2021-08672 Accellion FTA 9_12_370 and earlier is affected by OS command execution via a crafted POST… KEVCVSS 3.1CRITICAL 9.8
- TI-2021-08669 Accellion FTA 9_12_370 and earlier is affected by SQL injection via a crafted Host header… KEVCVSS 3.1CRITICAL 9.8
- TI-2021-08670 Accellion FTA 9_12_411 and earlier is affected by OS command execution via a local web… KEVCVSS 3.1HIGH 7.8
- TI-2021-09141 Accellion FTA 9_12_432 and earlier is affected by argument injection via a crafted POST… CVSS 3.1CRITICAL 9.8
- TI-2021-09142 Accellion FTA 9_12_432 and earlier is affected by stored XSS via a crafted POST request… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2021-27103 · CVE Program
- CVE-2021-27103 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-j665-969m-hg73 · GitHub Advisory Database · CC BY 4.0
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