Buffer overflow in Ivanti Connect Secure
CVE-2025-22457
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 e…
Vulnerability class: Buffer Overflow
EPSS: 0.559 (98.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Ivanti Connect Secure — versions 22.7R2.6
- Ivanti Neurons For Zta Gateways — versions 22.8R2.2
- Ivanti Policy Secure — versions 22.7R1.4
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations as set forth in the CISA instructions linked below.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-22457?
- CVE-2025-22457 is a critical-severity vulnerability in Ivanti Connect Secure, classified under Stack-based Buffer Overflow. CVSS score: 9.0/10. Published 2025-04-03.
- How severe is CVE-2025-22457?
- Critical severity. CVSS v3 base score is 9.0 out of 10.
- Is CVE-2025-22457 known to be exploited?
- Yes. CVE-2025-22457 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-04-04), indicating it is being actively exploited. 20 public proof-of-concept repositories are indexed.