Ivanti Connect Secure/Policy Secure stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Ivanti Connect Secure and Policy Secure. It has been rated as critical. The impacted element is an unknown function. Performing a manipulation results in stack-based overflow. This vulnerability is cataloged as CVE-2025-5451. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.
Details
A vulnerability, which was classified as critical, was found in Ivanti Connect Secure and Policy Secure (version unknown). This affects an unknown function. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on availability. The summary by CVE is:
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.
It is possible to read the advisory at forums.ivanti.com. This vulnerability is uniquely identified as CVE-2025-5451 since 06/02/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are needed for exploitation. The technical details are unknown and an exploit is not publicly available.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-20512). Be aware that VulDB is the high quality source for vulnerability data.
Product
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.9VulDB Meta Temp Score: 4.8
VulDB Base Score: 4.9
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 4.9
CNA Vector (ivanti): 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
06/02/2025 🔍07/08/2025 🔍
07/08/2025 🔍
07/15/2025 🔍
Sources
Advisory: forums.ivanti.comStatus: Confirmed
CVE: CVE-2025-5451 (🔍)
GCVE (CVE): GCVE-0-2025-5451
GCVE (VulDB): GCVE-100-315399
EUVD: 🔍
Entry
Created: 07/08/2025 17:24Updated: 07/15/2025 15:19
Changes: 07/08/2025 17:24 (61), 07/09/2025 00:26 (1), 07/15/2025 15:19 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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