CVE-2001-1380

CVE-2001-1380 is a high-severity vulnerability in Openbsd Openssh 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

OpenSSH before 2.9.9, while using keypairs and multiple keys of different types in the ~/.ssh/authorized_keys2 file, may not properly handle the "from" option associated with a key, which could allow remote attackers to login from unauthorized IP addresses.

Frequently asked questions

What is CVE-2001-1380?
OpenSSH before 2.9.9, while using keypairs and multiple keys of different types in the ~/.ssh/authorized_keys2 file, may not properly handle the "from" option associated with a key, which could allow remote attackers to login from unauthorized IP addresses.
How severe is CVE-2001-1380?
CVE-2001-1380 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-1380 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1380?
CVE-2001-1380 affects Openbsd Openssh. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-1380?
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-2001-1380 published?
CVE-2001-1380 was published on 2001-10-18 and last updated on 2026-06-16.

References

Affected products (1)

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