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CVE-2025-22457

critical

Description

A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZTA Gateways before version 22.8R2.2 allows a remote unauthenticated attacker to achieve remote code execution.

References

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

https://securelist.com/vulnerabilities-and-exploits-in-q2-2025/117333/

https://www.darkreading.com/endpoint-security/fixed-ivanti-bugs-japan-orgs-6-months-later

https://thehackernews.com/2025/07/ivanti-zero-days-exploited-to-drop.html

https://thehackernews.com/2025/04/dslogdrat-malware-deployed-via-ivanti.html

https://www.securityweek.com/exploited-vulnerability-puts-5000-ivanti-vpn-appliances-at-risk/

https://www.cisa.gov/news-events/alerts/2025/04/04/cisa-adds-one-vulnerability-kev-catalog

https://therecord.media/cisa-ivanti-firewall-bug-exploitation

https://thehackernews.com/2025/04/critical-ivanti-flaw-actively-exploited.html

https://www.securityweek.com/chinese-apt-pounces-on-misdiagnosed-rce-in-ivanti-vpn-appliances/

https://www.darkreading.com/vulnerabilities-threats/china-linked-threat-group-exploits-ivanti-bug

https://www.bleepingcomputer.com/news/security/ivanti-patches-connect-secure-zero-day-exploited-since-mid-march/

https://cyberscoop.com/china-espionage-group-ivanti-vulnerability-exploits/

https://cloud.google.com/blog/topics/threat-intelligence/china-nexus-exploiting-critical-ivanti-vulnerability

https://github.com/benmevic/emrah-cve

https://github.com/benmevic/cve-2025-22457

https://github.com/melisakumral/CVE-altay

https://github.com/Cyb3rTim/Cyber-Threat-Intelligence-Dashboard

https://github.com/llussiess/CVE-2025-22457

https://github.com/Vinylrider/ivantiunlocker

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-22457

https://forums.ivanti.com/s/article/April-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-22457

Details

Source: Mitre, NVD

Published: 2025-04-03

Updated: 2026-08-04

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: 0.9998

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