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Fencer Vulns
high 7.8

CVE-2025-63261 json

AWStats 8.0 is vulnerable to Command Injection via the open function

published 2026-03-20 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-208911

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

AWStats 8.0 is vulnerable to Command Injection via the open function

Patch / fix

  • awstats Debian 12 7.8-3+deb12u2
  • awstats Debian 13 7.9-1+deb13u1
  • awstats Debian 14 8.0-5

debian advisories DEBIAN-CVE-2025-63261

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-63261 updated cvss 8.8

AWStats: AWStats: Arbitrary code execution via command injection vulnerability

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
7 mo ago

Exploit prediction

1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • pentest-tools.com https://pentest-tools.com/PTT-2025-021-Code-Execution-in-AWStats.pdf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.