Is CVE-2006-2194 in the CISA KEV catalog?

No. CVE-2006-2194 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2006-2194?

CVE-2006-2194 has a CVSS v2 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2006-2194?

CVE-2006-2194 has an EPSS score of 0.40% (32th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2006-2194?

Upgrade ppp on debian 11 to 2.4.4rel-1 or later.

CVE & CISA-KEV Catalog

CVE-2006-2194

HIGH

7.2

CVSS v2

NVD

Description

The winbind plugin in pppd for ppp 2.4.4 and earlier does not check the return code from the setuid function call, which might allow local users to gain privileges by causing setuid to fail, such as exceeding PAM limits for the maximum number of user processes, which prevents the winbind NTLM authentication helper from dropping privileges.

How to fix

Remediation Available

pppDebian

Fixed in:2.4.4rel-1CVE-2006-2194

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.40%probability of exploitation in 30 days

32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

Patch5

Other references4

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.