CVE-2025-5451 — Stack-based Buffer Overflow in Ivanti Connect Secure

CWE-121 — Stack-based Buffer OverflowCWE-787 — Out-of-bounds Write3 documents3 sources
Severity
4.9MEDIUMNVD
EPSS
0.6%
top 29.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Ivanti Connect SecureIvanti Policy Secure
Timeline
PublishedJul 8

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HExploitability: 1.2 | Impact: 3.6

Affected Packages2 packages

▶NVDivanti/policy_secure< 22.7+1
▶NVDivanti/connect_secure< 22.7+1

🔴Vulnerability Details

2
GHSA
GHSA-83c3-4c79-gj5j: A stack-based buffer overflow in Ivanti Connect Secure before version 22↗2025-07-08
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CVEList
CVE-2025-5451: A stack-based buffer overflow in Ivanti Connect Secure before version 22↗2025-07-08
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CVE-2025-5451 — Stack-based Buffer Overflow in Ivanti | cvebase