CVE-2013-2178: The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban be

Q: How do I fix CVE-2013-2178?

fail2ban: upgrade to newer than 0.8.9. Exact commands for each OS are on this page.

Q: Is CVE-2013-2178 being exploited?

CVE-2013-2178 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2013-2178 affect?

CVE-2013-2178 affects fail2ban. Severity is medium (CVSS 5.0). The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messa

Q: How urgent is CVE-2013-2178?

Priority 42/100. On your watchlist

This month

MEDIUM 5.0WATCHLISTUPGRADE

CVE-2013-2178 is a medium-severity flaw (CVSS 5.0) affecting fail2ban. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messages in a request.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Weakness	CWE-20
Published	2013-08-28
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: fail2ban

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2013-08-28 23:55 UTCPublished CVE record published
2026-06-16 23:52 UTCUpdated Record last modified

fail2ban fail2ban UPGRADE

Affected: <= 0.8.9 · 0.1.0 · 0.1.1 · 0.1.2 · 0.3.0 · 0.3.1 · 0.4.0 · 0.4.1

Fixed in: newer than 0.8.9

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fail2ban || rpm -q fail2ban || fail2ban --version

2. UPGRADE to newer than 0.8.9 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fail2ban

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fail2ban

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2013-2178?

fail2ban: upgrade to newer than 0.8.9. Exact commands for each OS are on this page.

Is CVE-2013-2178 being exploited?

CVE-2013-2178 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2013-2178 affect?

CVE-2013-2178 affects fail2ban. Severity is medium (CVSS 5.0). The apache-auth.conf, apache-nohome.conf, apache-noscript.conf, and apache-overflows.conf files in Fail2ban before 0.8.10 do not properly validate log messages, which allows remote attackers to block arbitrary IP addresses via certain messa

How urgent is CVE-2013-2178?

Priority 42/100. On your watchlist

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References

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