CVE-2025-22457
Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability
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
- Public exploits
- None in Exploit-DB
- 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
EPSS 100.0% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.