CVE-2016-8671: matrixssl
Modified
Published 13-01-2017Last modified 06-08-2024
Vulnerability summary
CVE-2016-8671 is a medium (CVSS 5.9) vulnerability in matrixssl. EPSS estimates a 1.34% chance of exploitation in the next 30 days, higher than 70.9% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.0 (NVD)EPSS score
1.34%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 13-01-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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 unspecified vectors. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6887.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.9Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.34%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
Decrease -0.01 pp
From 1.35% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Matrixssl1 product
- matrixssl≤ 3.8.6
1 vendor · 1 product