CVE-2021-27104
Last modified
CVE-2021-27104 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Accellion FTA 9_12_370 and earlier is affected by OS command execution via a crafted POST request to various admin endpoints. The fixed version is FTA_9_12_380 and later.. CISA has confirmed active exploitation in the wild. EPSS estimates a 56.69% chance of exploitation in the next 30 days.
Description
Accellion FTA 9_12_370 and earlier is affected by OS command execution via a crafted POST request to various admin endpoints. The fixed version is FTA_9_12_380 and later.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Accellion | Fta | <= 9_12_370 |
References
- https://github.com/accellion/CVEs/blob/main/CVE-2021-27104.txtBroken Link, Third Party Advisory
- https://www.accellion.com/products/fta/Product, Vendor Advisory
- https://github.com/accellion/CVEs/blob/main/CVE-2021-27104.txtBroken Link, Third Party Advisory
- https://www.accellion.com/products/fta/Product, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27104US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2021-27104?
How severe is CVE-2021-27104?
How do I fix CVE-2021-27104?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-27097The boot loader in Das U-Boot before 2021.04-rc2 mishandles …7.8
- CVE-2021-27098In SPIRE 0.8.1 through 0.8.4 and before versions 0.9.4, 0.10…8.1
- CVE-2021-27099In SPIRE before versions 0.8.5, 0.9.4, 0.10.2, 0.11.3 and 0.…6.8
- CVE-2021-27101Accellion FTA 9_12_370 and earlier is affected by SQL inject…9.8
- CVE-2021-27102Accellion FTA 9_12_411 and earlier is affected by OS command…7.8
- CVE-2021-27103Accellion FTA 9_12_411 and earlier is affected by SSRF via a…9.8
- CVE-2021-27112LightCMS v1.3.5 contains a remote code execution vulnerabili…9.8
- CVE-2021-27113An issue was discovered in D-Link DIR-816 A2 1.10 B05 device…9.8
- CVE-2021-27114An issue was discovered in D-Link DIR-816 A2 1.10 B05 device…9.8
- CVE-2021-27116An issue was discovered in file profile.go in function MemPr…7.8
- CVE-2021-27117An issue was discovered in file profile.go in function GetCP…7.8
- CVE-2021-27124SQL injection in the expertise parameter in search_result.ph…6.5
Are you affected by CVE-2021-27104?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST