CVE-2001-1169

CVE-2001-1169 is a high-severity vulnerability in Bell Communications Research S Key with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

keyinit in S/Key does not require authentication to initialize a one-time password sequence, which allows an attacker who has gained privileges to a user account to create new one-time passwords for use in other activities that may use S/Key authentication, such as sudo.

Frequently asked questions

What is CVE-2001-1169?
keyinit in S/Key does not require authentication to initialize a one-time password sequence, which allows an attacker who has gained privileges to a user account to create new one-time passwords for use in other activities that may use S/Key authentication, such as sudo.
How severe is CVE-2001-1169?
CVE-2001-1169 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-1169 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1169?
CVE-2001-1169 affects Bell Communications Research S Key. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-1169?
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-2001-1169 published?
CVE-2001-1169 was published on 2001-09-02 and last updated on 2026-06-16.

References

Affected products (1)