CVE-2002-0083

critical

Description

Off-by-one error in the channel code of OpenSSH 2.0 through 3.0.2 allows local users or remote malicious servers to gain privileges.

References

https://github.com/ryanalieh/openSSH-scanner

https://github.com/bigb0x/OpenSSH-Scanner

https://github.com/bigb0x/SSH-Scanner

https://github.com/bigb0x/CVE-2024-6387

http://www.openbsd.org/advisories/ssh_channelalloc.txt

http://marc.info/?l=bugtraq&m=101586991827622&w=2

http://marc.info/?l=bugtraq&m=101561384821761&w=2

http://marc.info/?l=bugtraq&m=101553908201861&w=2

http://marc.info/?l=bugtraq&m=101552065005254&w=2

Details

Source: Mitre, NVD

Published: 2002-03-15

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.14804