CVE-2001-0144SSH Vulnerability
CORE SDI SSH1 CRC-32 compensation attack detector allows remote attackers to execute arbitrary commands on an SSH server or client via an integer overflow.
Published Mar 12, 2001 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2001-0144 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Openssh (Openbsd), SSH.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 32% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
32%
Higher than 98.3% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
41/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
CORE SDI SSH1 CRC-32 compensation attack detector allows remote attackers to execute arbitrary commands on an SSH server or client via an integer overflow.
Affected Products
13 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| OpensshOpenbsd | 1.2.2, 1.2.3, 2.1, 2.1.1, 2.2 | n/a |
| SSHSSH | 1.2.24, 1.2.25, 1.2.26, 1.2.27, 1.2.28, 1.2.29, 1.2.30, 1.2.31 | n/a |
Timeline
Publicly disclosed
Mar 12, 2001
Last updated
Apr 15, 2026
References
- patch20010208 Remote vulnerability in SSH daemon crc32 compensation attack detector
- patch2347
- exploitExploitDB-20617
- exploitExploitDB-349
- other20010208 [CORE SDI ADVISORY] SSH1 CRC-32 compensation attack detector
FAQ
Common Questions.
CORE SDI SSH1 CRC-32 compensation attack detector allows remote attackers to execute arbitrary commands on an SSH server or client via an integer overflow.
Affected: Openssh (Openbsd) versions 1.2.2, 1.2.3, 2.1, 2.1.1, 2.2; SSH versions 1.2.24, 1.2.25, 1.2.26, 1.2.27, 1.2.28, 1.2.29, 1.2.30, 1.2.31. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2001-0144 On Your Attack Surface?
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