CVE-2016-6887
UnknownEPSS 1.15%
Last modified
CVE-2016-6887 is a vulnerability of currently unknown severity. The pstm_exptmod function in MatrixSSL 3.8.6 and earlier does not properly perform modular exponentiation, which might allow remote attackers to predict the secret key via a CRT attack.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.
Description
The pstm_exptmod function in MatrixSSL 3.8.6 and earlier does not properly perform modular exponentiation, which might allow remote attackers to predict the secret key via a CRT attack.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Matrixssl | Matrixssl | <= 3.8.6 |
References
- http://www.matrixssl.org/blog/releases/matrixssl_3_8_4Patch, Vendor Advisory
- http://www.matrixssl.org/blog/releases/matrixssl_3_8_4Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-6887?
The pstm_exptmod function in MatrixSSL 3.8.6 and earlier does not properly perform modular exponentiation, which might allow remote attackers to predict the secret key via a CRT attack.
How severe is CVE-2016-6887?
Severity scoring for CVE-2016-6887 is pending analysis. The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.
How do I fix CVE-2016-6887?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2016-6887?
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Scan your code nowSource: NVD / NIST