CVE-2007-1431: Multiple unspecified vulnerabilities in PennMUSH 1.8.3 before 1.8.3p1 and 1.8.2 before 1.8.2p3 allow attackers

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HIGH 7.8DOWNGRADE

CVE-2007-1431 is a high-severity flaw (CVSS 7.8) affecting pennmush. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple unspecified vulnerabilities in PennMUSH 1.8.3 before 1.8.3p1 and 1.8.2 before 1.8.2p3 allow attackers to cause a denial of service (crash) related to the (1) speak and (2) buy functions.

Why this priority

High severity

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

Risk facts

CVSS score	7.8 (High)
EPSS exploit chance	1.5% (top 27%)
CISA exploited list	No
Published	2007-03-13
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: pennmush

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

Am I affected?

Timeline

2007-03-13 19:19 UTCPublished CVE record published
2026-06-16 22:37 UTCUpdated Record last modified

pennmush pennmush DOWNGRADE

Affected: 1.8.2 · 1.8.2 p1 · 1.8.2 p2 · 1.8.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.8.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.8.2 (Debian / Ubuntu)

apt-cache madison pennmush sudo apt install pennmush=<VERSION_BEFORE_1.8.2> sudo apt-mark hold pennmush

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

dnf --showduplicates list pennmush sudo dnf downgrade pennmush-<VERSION_BEFORE_1.8.2> sudo dnf versionlock add pennmush

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-2007-1431?

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

Is CVE-2007-1431 being exploited?

CVE-2007-1431 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-2007-1431 affect?

CVE-2007-1431 affects pennmush. Severity is high (CVSS 7.8). Multiple unspecified vulnerabilities in PennMUSH 1.8.3 before 1.8.3p1 and 1.8.2 before 1.8.2p3 allow attackers to cause a denial of service (crash) related to the (1) speak and (2) buy functions.

How urgent is CVE-2007-1431?

Priority 46/100. High severity

References

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