CVE-2021-3935
CVE-2021-3935
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 1.0%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
22 Nov 2021Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
When PgBouncer is configured to use "cert" authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of TLS certificate verification and encryption. This flaw affects PgBouncer versions prior to 1.16.1.
Affected products
n/a · pgbouncerReferences
https://bugzilla.redhat.com/show_bug.cgi?id=2021251https://lists.debian.org/debian-lts-announce/2022/02/msg00016.htmlhttps://lists.debian.org/debian-lts-announce/2025/05/msg00032.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/http://www.pgbouncer.org/changelog.html#pgbouncer-116x