// For flags

CVE-2021-23222

postgresql: libpq processes unencrypted bytes from man-in-the-middle

Severity Score

5.9
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Un atacante de tipo man-in-the-middle puede inyectar respuestas falsas a las primeras consultas del cliente, a pesar de haber usado la verificación y el cifrado de certificados SSL

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-11-03 CVE Reserved
  • 2021-11-28 CVE Published
  • 2023-11-08 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-522: Insufficiently Protected Credentials
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
>= 9.6 < 9.6.24
Search vendor "Postgresql" for product "Postgresql" and version " >= 9.6 < 9.6.24"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
>= 10.0 < 10.19
Search vendor "Postgresql" for product "Postgresql" and version " >= 10.0 < 10.19"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
>= 11.0 < 11.14
Search vendor "Postgresql" for product "Postgresql" and version " >= 11.0 < 11.14"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
>= 12.0 < 12.9
Search vendor "Postgresql" for product "Postgresql" and version " >= 12.0 < 12.9"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
>= 13.0 < 13.5
Search vendor "Postgresql" for product "Postgresql" and version " >= 13.0 < 13.5"
-
Affected
Postgresql
Search vendor "Postgresql"
Postgresql
Search vendor "Postgresql" for product "Postgresql"
14.0
Search vendor "Postgresql" for product "Postgresql" and version "14.0"
-
Affected