CVE-2019-16791 affects postfix-mta-sts-resolver versions prior to 0.5.1, where a rare condition can lead to users receiving incorrect responses from the daemon. This vulnerability, rated Medium with a CVSS score of 5.9, allows for a downgrade of the effective STS policy, potentially impacting email security. The attack vector is network-based with high attack complexity, but it does not require user interaction or privileges, and its primary impact is on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.5.1CPE matchmatch criteria | cpe:2.3:a:postfix-mta-sts-resolver_project:postfix-mta-sts-resolver:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.