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CVE-2001-0361

4.0 · MEDIUM

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…

Published Jun 27, 2001openbsdCWE-310EPSS 2.50%

Overview

CVE-2001-0361 is a medium-severity vulnerability affecting openbsd openssh. It was published on June 27, 2001 and has a CVSS 2.0 base score of 4.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from openbsd. Update openssh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
sshssh0Affected

References

Refftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:24.ssh.ascRefmarc.info/?l=bugtraq&m=98158450021686&w=2Refwww.ciac.org/ciac/bulletins/l-047.shtmlRefwww.debian.org/security/2001/dsa-023Refwww.debian.org/security/2001/dsa-027Refwww.debian.org/security/2001/dsa-086Refwww.novell.com/linux/security/advisories/adv004_ssh.htmlRefwww.osvdb.org/2116Refwww.securityfocus.com/bid/2344Refexchange.xforce.ibmcloud.com/vulnerabilities/6082

How CyberStrike helps

Frequently asked questions

What is CVE-2001-0361?

CVE-2001-0361 is a medium-severity vulnerability affecting openbsd openssh. It was published on June 27, 2001 and has a CVSS 2.0 base score of 4.0 (MEDIUM).

How severe is CVE-2001-0361?

This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2001-0361?

Check the references section for vendor advisories and patches from openbsd. Update openssh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2001-0361?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2001-0361 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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