What is CVE-2021-27201?

CVE-2021-27201 is a high-severity vulnerability in Endian Firewall Community, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-02-15.

How severe is CVE-2021-27201?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-27201 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Endian Firewall Community

CVE-2021-27201

Endian Firewall Community (aka EFW) 3.3.2 allows remote authenticated users to execute arbitrary OS commands via shell metacharacters in a backup comment.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.026 (83.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Endian Firewall_community — versions 3.3.2
N/a — versions n/a

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2021-27201?: CVE-2021-27201 is a high-severity vulnerability in Endian Firewall Community, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-02-15.
How severe is CVE-2021-27201?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-27201 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.