VulnerabilityModified
CVE-2021-23222
A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use of SSL certificate verification and encryption.
MEDIUM 5.9EPSS 1.50%
Does this matter?
Lower severity and a low EPSS score (1.50%). Track it; it rarely justifies an emergency change on its own.
Description
A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use of SSL certificate verification and encryption.
- CVSS 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.50% probability · 74th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-522
- Affected
- postgresql/postgresql
- Source
- secalert@redhat.com
EPSS 1.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2022675Issue Tracking, Third Party Advisory
- https://git.postgresql.org/gitweb/?p=postgresql.git%3Ba=commitdiff%3Bh=d83cdfdca9d918bbbd6bb209139b94c954da7228
- https://github.com/postgres/postgres/commit/160c0258802d10b0600d7671b1bbea55d8e17d45Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202211-04Third Party Advisory
- https://www.postgresql.org/support/security/CVE-2021-23222/Release Notes, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2022675Issue Tracking, Third Party Advisory
- https://git.postgresql.org/gitweb/?p=postgresql.git%3Ba=commitdiff%3Bh=d83cdfdca9d918bbbd6bb209139b94c954da7228
- https://github.com/postgres/postgres/commit/160c0258802d10b0600d7671b1bbea55d8e17d45Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202211-04Third Party Advisory
- https://www.postgresql.org/support/security/CVE-2021-23222/Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.