CVE-2001-1215: Format string vulnerability in PFinger 0.7.5 through 0.7.7 allows remote attackers to execute arbitrary code v

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HIGH 7.5DOWNGRADE

CVE-2001-1215 is a high-severity flaw (CVSS 7.5) affecting pfinger. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Format string vulnerability in PFinger 0.7.5 through 0.7.7 allows remote attackers to execute arbitrary code via format string specifiers in a .plan file.

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	2.8% (top 14%)
CISA exploited list	No
Published	2001-12-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: michael baumer

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

Am I affected?

Timeline

2001-12-20 05:00 UTCPublished CVE record published
2026-06-16 21:55 UTCUpdated Record last modified

michael baumer pfinger DOWNGRADE

Affected: 0.7.5 · 0.7.6 · 0.7.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.7.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.7.5 (Debian / Ubuntu)

apt-cache madison pfinger sudo apt install pfinger=<VERSION_BEFORE_0.7.5> sudo apt-mark hold pfinger

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

dnf --showduplicates list pfinger sudo dnf downgrade pfinger-<VERSION_BEFORE_0.7.5> sudo dnf versionlock add pfinger

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-2001-1215?

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

Is CVE-2001-1215 being exploited?

CVE-2001-1215 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-2001-1215 affect?

CVE-2001-1215 affects pfinger. Severity is high (CVSS 7.5). Format string vulnerability in PFinger 0.7.5 through 0.7.7 allows remote attackers to execute arbitrary code via format string specifiers in a .plan file.

How urgent is CVE-2001-1215?

Priority 48/100. High severity

Related CVEs

CVE-2002-2048 HIGH 7.5 DOWNGRADE Buffer overflow in PFinger 0.7.8 client allows remote attackers to execute arbitrary code via a long query val

References

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