Information disclosure in Matrixssl

CVE-2016-6883

MatrixSSL before 3.8.3 configured with RSA Cipher Suites allows remote attackers to obtain sensitive information via a Bleichenbacher variant attack.

Vulnerability class: Information Disclosure

EPSS: 0.703 (98.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Matrixssl
N/a — versions n/a

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_CONFIRM, Patch, Release Notes)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List)
cve@mitre.org (vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2016-6883?: CVE-2016-6883 is a medium-severity vulnerability in Matrixssl, classified under Information Disclosure. CVSS score: 5.9/10. Published 2017-03-03.
How severe is CVE-2016-6883?: Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2016-6883 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.