CVE-2001-1206: Matrix CGI vault Last Lines 2.0 allows remote attackers to execute arbitrary commands via shell metacharacters

This month

HIGH 7.5DOWNGRADE

CVE-2001-1206 is a high-severity flaw (CVSS 7.5) affecting last lines. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Matrix CGI vault Last Lines 2.0 allows remote attackers to execute arbitrary commands via shell metacharacters in the $error_log variable.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.9% (top 21%)
CISA exploited list	No
Published	2001-12-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: matrixs cgi vault

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

Am I affected?

Timeline

2001-12-30 05:00 UTCPublished CVE record published
2026-06-16 21:55 UTCUpdated Record last modified

matrixs cgi vault last lines DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy last-lines || rpm -q last-lines || last-lines --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison last-lines sudo apt install last-lines=<VERSION_BEFORE_2.0> sudo apt-mark hold last-lines

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list last-lines sudo dnf downgrade last-lines-<VERSION_BEFORE_2.0> sudo dnf versionlock add last-lines

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2001-1206?

last lines: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2001-1206 being exploited?

CVE-2001-1206 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-2001-1206 affect?

CVE-2001-1206 affects last lines. Severity is high (CVSS 7.5). Matrix CGI vault Last Lines 2.0 allows remote attackers to execute arbitrary commands via shell metacharacters in the $error_log variable.

How urgent is CVE-2001-1206?

Priority 46/100. High severity

Software pages

HashiCorp Vault vulnerabilities

Related CVEs

CVE-2001-1205 MEDIUM 5.0 DOWNGRADE Directory traversal vulnerability in lastlines.cgi for Last Lines 2.0 allows remote attackers to read arbitrar

References

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