CVE-2002-0851: n/a vulnerability

CVE-2002-0851: Format string vulnerability in ISDN Point to Point Protocol (PPP) daemon (ipppd) in the ISDN4Linux (i4l) pa...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 03:03 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2002-0851 is a local privilege escalation in the ISDN4Linux PPP daemon, ipppd. A local user could abuse unsafe handling of a device name passed to logging and potentially gain root privileges. This matters mainly for legacy Linux systems still using ISDN4Linux. Exposure is most likely on legacy Linux systems with ISDN4Linux/i4l and ipppd installed or enabled. The attack requires local user access. Modern exposure is probably limited, but the source bundle does not prove absence in current environments. Treat as high priority only where legacy ISDN4Linux systems remain in use with local user access. For most modern environments, the immediate business risk is likely low, but unsupported legacy systems should be identified and retired or isolated. Mitigation focus: Inventory systems for ISDN4Linux, i4l, and ipppd usage.; Disable or remove ipppd where ISDN PPP is not required.; Check operating system vendor advisories for fixed legacy packages..

Prepared: Jun 30, 2026, 12:09 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Apr 2, 2003, 05:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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