CVE-2019-16791

low-risk
Published 2020-01-22

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.

Do I need to act?

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0.30% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.9/10 Medium
LOCAL / HIGH complexity

Affected Products (1)

Postfix-Mta-Sts-Resolver

Affected Vendors

Postfix-Mta-Sts-Resolver Project

References (4)

Patch https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b
Patch https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92...
Patch https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b
Patch https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92...
24
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal