vulnerability

Juniper Junos OS: 2021-04 Security Bulletin: Junos OS: OpenSSH 7.4 Multiple vulnerabilities resolved. (JSA11169) (multiple CVEs)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Jan 5, 2017
Added
Apr 16, 2021
Modified
Apr 23, 2025

Description

sshd in OpenSSH before 7.4 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an out-of-sequence NEWKEYS message, as demonstrated by Honggfuzz, related to kex.c and packet.c.

Solution

juniper-junos-os-upgrade-latest
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.