CVE-2024-53704

critical

Description

An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0003

https://www.greynoise.io/blog/unmasking-cisas-hidden-kev-ransomware-updates

https://www.cybereason.com/blog/ttp-briefing-q3-2025

https://www.theregister.com/2025/08/04/sonicwall_investigates_cyber_incidents/

https://cyberscoop.com/sonicwall-exploited-vulnerabilities-surge/

https://thehackernews.com/2025/02/cisa-adds-palo-alto-networks-and.html

https://www.cisa.gov/news-events/alerts/2025/02/18/cisa-adds-two-known-exploited-vulnerabilities-catalog

https://www.securityweek.com/sonicwall-patches-authentication-bypass-vulnerabilities-in-firewalls/

https://thehackernews.com/2025/01/major-vulnerabilities-patched-in.html

https://www.bleepingcomputer.com/news/security/sonicwall-urges-admins-to-patch-exploitable-sslvpn-bug-immediately/

https://securityaffairs.com/172823/security/sonicwall-sonicos-authentication-bypass-flaw.html

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-53704

Details

Source: Mitre, NVD

Published: 2025-01-09

Updated: 2025-10-31

Known Exploited Vulnerability (KEV)

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: 0.94061

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Interest