Home/CVE/Implementations of SSH version 1.5, including (1) OpenSSH up to version 2.3.0, (2) AppGate, and (3) ssh-1 up to version
CVE

CVE-2001-0361

Implementations of SSH version 1.5, including (1) OpenSSH up to version 2.3.0, (2) AppGate, and (3) ssh-1 up to version

Implementations of SSH version 1.5, including (1) OpenSSH up to version 2.3.0, (2) AppGate, and (3) ssh-1 up to version 1.2.31, in certain configurations, allow a remote attacker to decrypt and/or alter traffic via a "Bleichenbacher attack" on PKCS#1 version 1.5.

MEDIUM · CVSS 4 EPSS 0.01308
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules2 YARA rules0
▤

Affected Products & Versions

2
openbsd opensshall versions
ssh<= 1.2.31
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumSuspicious OpenSSH Daemon Error
productmediumOpenSSH Server Listening On Socket
▣

Scoring & Timeline

4
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:H/Au:N/C:P/I:P/A:N
Published to NVD27 Jun 2001 · 04:00 AM
🔗

References & Sources

10
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:24.ssh.asc
http://marc.info/?l=bugtraq&m=98158450021686&w=2
http://www.ciac.org/ciac/bulletins/l-047.shtml
http://www.debian.org/security/2001/dsa-023
http://www.debian.org/security/2001/dsa-027
http://www.debian.org/security/2001/dsa-086
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