CVE-2021-27201 json
Endian Firewall Community (aka EFW) 3.3.2 allows remote authenticated users to execute arbitrary OS commands via shell metacharacters in a…
published 2021-02-15 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-13966
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.6%
- EPSS 2.6% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
Endian Firewall Community (aka EFW) 3.3.2 allows remote authenticated users to execute arbitrary OS commands via shell metacharacters in a backup comment.
Exploit prediction
2.61% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/MucahitSaratar/endian_firewall_authenticated_rce referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
github.com
/MucahitSaratar/endian_firewall_authenticated_rce
exploit, third-party-advisory
-
endian.com
/company/news/endian-community-releases-new-version-332-148/
release-notes, vendor-advisory
-
sourceforge.net
/projects/efw/files/Development/EFW-3.3.2/
release-notes, third-party-advisory
Sources
- CVE List CVE-2021-27201
- NVD CVE-2021-27201
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