VulnerabilityAnalyzed

CVE-2025-22457

Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability

KEVCRITICAL 9.8EPSS 100.0%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 11 April 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 99.98% probability · 100th percentile
CISA KEV: Listed 4 April 2025 · due 11 April 2025 · used in ransomware campaigns
Weakness: CWE-121, CWE-787
Affected: ivanti/connect secure · ivanti/policy secure · ivanti/zero trust access gateway
Source: 3c1d8aa1-5a33-4ea4-8992-aadd6440af75

CISA notes

Apply mitigations as set forth in the CISA instructions linked below. CISA Mitigation Instructions: https://www.cisa.gov/cisa-mitigation-instructions-cve-2025-22457 ; Additional References: https://forums.ivanti.com/s/article/April-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-22457 ; https://nvd.nist.gov/vuln/detail/CVE-2025-22457

References

https://forums.ivanti.com/s/article/April-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-22457Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-22457US Government Resource

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.