How severe is CVE-2016-6883?

CVE-2016-6883 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2016-6883 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6883?

CVE-2016-6883 affects Matrixssl. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-6883?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-6883 published?

CVE-2016-6883 was published on 2017-03-03 and last updated on 2026-06-17.

CVE-2016-6883

CVE-2016-6883 is a medium-severity vulnerability in Matrixssl with a CVSS 3.x base score of 5.9. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Matrixssl
Published: 2017-03-03
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2016-6883?: CVE-2016-6883 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-6883 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6883?: CVE-2016-6883 affects Matrixssl. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-6883?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-6883 published?: CVE-2016-6883 was published on 2017-03-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:matrixssl:matrixssl:*:*:*:*:*:*:*:*

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