How severe is CVE-2002-0851?

CVE-2002-0851 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2002-0851 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0851?

CVE-2002-0851 affects Isdn4linux. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2002-0851?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2002-0851 published?

CVE-2002-0851 was published on 2002-09-05 and last updated on 2026-06-16.

CVE-2002-0851

CVE-2002-0851 is a high-severity vulnerability in Isdn4linux with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Isdn4linux
Published: 2002-09-05
Last modified: 2026-06-16

Description

Format string vulnerability in ISDN Point to Point Protocol (PPP) daemon (ipppd) in the ISDN4Linux (i4l) package allows local users to gain root privileges via format strings in the device name command line argument, which is not properly handled in a call to syslog.

Frequently asked questions

What is CVE-2002-0851?: Format string vulnerability in ISDN Point to Point Protocol (PPP) daemon (ipppd) in the ISDN4Linux (i4l) package allows local users to gain root privileges via format strings in the device name command line argument, which is not properly handled in a call to syslog.
How severe is CVE-2002-0851?: CVE-2002-0851 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2002-0851 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0851?: CVE-2002-0851 affects Isdn4linux. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-0851?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2002-0851 published?: CVE-2002-0851 was published on 2002-09-05 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:isdn4linux:isdn4linux:3.1_pre1:*:*:*:*:*:*:*