CVE-2002-1112: Mantis before 0.17.4 allows remote attackers to list project bugs without authentication by modifying the cook

Routine

MEDIUM 5.0DOWNGRADE

CVE-2002-1112 is a medium-severity flaw (CVSS 5.0) affecting mantis. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Mantis before 0.17.4 allows remote attackers to list project bugs without authentication by modifying the cookie that is used by the "View Bugs" page.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Published	2002-10-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mantis

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

Am I affected?

Timeline

2002-10-04 04:00 UTCPublished CVE record published
2026-06-16 21:58 UTCUpdated Record last modified

mantis mantis DOWNGRADE

Affected: 0.15.3 · 0.15.4 · 0.15.5 · 0.15.6 · 0.15.7 · 0.15.8 · 0.15.9 · 0.15.10

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.15.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.15.3 (Debian / Ubuntu)

apt-cache madison mantis sudo apt install mantis=<VERSION_BEFORE_0.15.3> sudo apt-mark hold mantis

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

dnf --showduplicates list mantis sudo dnf downgrade mantis-<VERSION_BEFORE_0.15.3> sudo dnf versionlock add mantis

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-2002-1112?

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

Is CVE-2002-1112 being exploited?

CVE-2002-1112 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-2002-1112 affect?

CVE-2002-1112 affects mantis. Severity is medium (CVSS 5.0). Mantis before 0.17.4 allows remote attackers to list project bugs without authentication by modifying the cookie that is used by the "View Bugs" page.

How urgent is CVE-2002-1112?

Priority 36/100. No elevated risk signals yet.

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References

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