CVE-2025-65502
MEDIUMCVSS 4.3/10EPSS 0.24%
Last modified
CVE-2025-65502 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Null pointer dereference in add_ca_certs() in Cesanta Mongoose before 7.2 allows remote attackers to cause a denial of service via TLS initialization where SSL_CTX_get_cert_store() returns NULL.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
Null pointer dereference in add_ca_certs() in Cesanta Mongoose before 7.2 allows remote attackers to cause a denial of service via TLS initialization where SSL_CTX_get_cert_store() returns NULL.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cesanta | Mongoose | < 7.2 |
References
- https://github.com/cesanta/mongoose/issues/3306Exploit, Issue Tracking
- https://github.com/cesanta/mongoose/pull/3307Issue Tracking, Patch
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-65502?
Null pointer dereference in add_ca_certs() in Cesanta Mongoose before 7.2 allows remote attackers to cause a denial of service via TLS initialization where SSL_CTX_get_cert_store() returns NULL.
How severe is CVE-2025-65502?
CVE-2025-65502 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2025-65502?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-65502?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST