CVE-2002-0639
9.8
CRITICAL
CVSS 3.1
EPSS 33.7%
Description
Integer overflow in sshd in OpenSSH 2.9.9 through 3.3 allows remote attackers to execute arbitrary code during challenge response authentication (ChallengeResponseAuthentication) when OpenSSH is using SKEY or BSD_AUTH authentication.
How to fix CVE-2002-0639
To remediate CVE-2002-0639, upgrade the affected package to a fixed version below.
- Debian/openssh—upgrade to 1:3.4 or later
Is CVE-2002-0639 being exploited?
Moderate — EPSS is 33.7%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 1:3.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |