5.9

CVE-2016-6887: matrixssl

Modified
Published 13-01-2017Last modified 06-08-2024

Vulnerability summary

CVE-2016-6887 is a medium (CVSS 5.9) vulnerability in matrixssl. EPSS estimates a 1.15% chance of exploitation in the next 30 days, higher than 66.5% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.0 (NVD)
EPSS score
1.15%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 13-01-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last 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 a CRT attack.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.15%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

Decrease -0.01 pp

From 1.16% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Matrixssl1 product

1 vendor · 1 product

References

2 links