CVE-2001-0892: Acme Thttpd Secure Webserver before 2.22, with the chroot option enabled, allows remote attackers to view sens

Q: How do I fix CVE-2001-0892?

thttpd: upgrade to newer than 2.22. Exact commands for each OS are on this page.

Q: Is CVE-2001-0892 being exploited?

CVE-2001-0892 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-2001-0892 affect?

CVE-2001-0892 affects thttpd. Severity is medium (CVSS 5.0). Acme Thttpd Secure Webserver before 2.22, with the chroot option enabled, allows remote attackers to view sensitive files under the document root (such as .htpasswd) via a GET request with a trailing /.

Q: How urgent is CVE-2001-0892?

Priority 37/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2001-0892 is a medium-severity flaw (CVSS 5.0) affecting thttpd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Acme Thttpd Secure Webserver before 2.22, with the chroot option enabled, allows remote attackers to view sensitive files under the document root (such as .htpasswd) via a GET request with a trailing /.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.9% (top 21%)
CISA exploited list	No
Weakness	CWE-668
Published	2001-11-13
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: acme

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

Am I affected?

Timeline

2001-11-13 05:00 UTCPublished CVE record published
2026-06-16 21:55 UTCUpdated Record last modified

acme thttpd UPGRADE

Affected: <= 2.22

Fixed in: newer than 2.22

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.22 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade thttpd

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-2001-0892?

thttpd: upgrade to newer than 2.22. Exact commands for each OS are on this page.

Is CVE-2001-0892 being exploited?

CVE-2001-0892 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-2001-0892 affect?

CVE-2001-0892 affects thttpd. Severity is medium (CVSS 5.0). Acme Thttpd Secure Webserver before 2.22, with the chroot option enabled, allows remote attackers to view sensitive files under the document root (such as .htpasswd) via a GET request with a trailing /.

How urgent is CVE-2001-0892?

Priority 37/100. No elevated risk signals yet.

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References

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