CVE-2002-0639

CRITICAL · CVSS 9.8 EPSS 18.43%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2002-07-03 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

CVE

CVE-2002-0639

Severity

CRITICAL

CVSS

9.8

EPSS

18.43%

Original Filing — NVD 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.