Is CVE-2019-16791 in the CISA KEV catalog?

No. CVE-2019-16791 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-16791?

CVE-2019-16791 has a CVSS v3 base score of 6.9 (MEDIUM).

What is the EPSS score for CVE-2019-16791?

CVE-2019-16791 has an EPSS score of 0.67% (47th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-16791?

Upgrade postfix-mta-sts-resolver to 0.5.1 or later.

CVE & CISA-KEV Catalog

CVE-2019-16791

MEDIUM

6.9

CVSS v3

NVD

Description

In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy.

CWE-757

How to fix

Remediation Available

postfix-mta-sts-resolverNVD

Affected:< 0.5.1Fixed in:0.5.1CVE-2019-16791derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N

Exploit Intelligence

0.67%probability of exploitation in 30 days

47thpercentile

Moderate risk: more likely to be exploited than 47% of all known CVEs.

References

Patch2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.