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CVE-2024-6387

Openssh: regresshion - race condition in ssh allows rce/dos

Published: Jul 1, 2024Updated: May 12, 2026 Sources: CVE List NVD BDU csafCWE-364
NVD MITRE
8.1CVSSHIGH
EPSS Score
99.5%
Top 0.1%
CISA KEV
Not in KEV
Exploits
10 Known
Remediation
Patch Available

Description

A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be able to trigger it by failing to authenticate within a set time period.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-364CWE-362

Affected Products

ONTAP Select DeployNetApp Inc.Hardware Firmware
openSUSE TumbleweedNovell Inc.
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Industrial Edge Management OS (IEM-OS)Siemens AG
On-prem
Enterprise Software / collaboration-groupware
Red Hat OpenShift Container PlatformRed Hat Inc.
SaaSSaaS Service
Cloud & SaaS / container-orchestration
netapp inc.commercialUSHardware Firmwareaka netapp
novell inc.commercialUSOperating Systems
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
siemens agcommercialDEEnterprise Softwareaka siemens
red hat inc.commercialUSOperating Systemsaka red hat
and 92 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

10 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://lists.mindrot.org/pipermail/openssh-unix-dev/2024-July/041430.html
lists.mindrot.org
https://www.freebsd.org/security/advisories/FreeBSD-SA-24:04.openssh.asc
freebsd.org
https://t.me/proxy_bar/2141
t.me
and 336 more references View all →

Timeline

Published
Jul 1, 2024
Last Updated
May 12, 2026

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