Buffer overflow in Ivanti Connect Secure
CVE-2025-5451
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.8 and Ivanti Policy Secure before version 22.7R1.5 allows a remote authenticated attacker with admin rights to trigger a denial of service.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.008 (54.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.001
Affected products
- Ivanti Connect Secure — versions 22.7R2.8
- Ivanti Connect Secure — versions 22.7
- Ivanti Policy Secure — versions 22.7R1.5
- Ivanti Policy Secure — versions 22.7
Weakness classification (CWE)
References
- 3c1d8aa1-5a33-4ea4-8992-aadd6440af75 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-5451?
- CVE-2025-5451 is a medium-severity vulnerability in Ivanti Connect Secure, classified under Stack-based Buffer Overflow. CVSS score: 4.9/10. Published 2025-07-08.
- How severe is CVE-2025-5451?
- Medium severity. CVSS v3 base score is 4.9 out of 10.