CVE-2021-3935
Severity Score
8.1
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Cuando PgBouncer está configurado para usar la autenticación "cert", un atacante de tipo "man-in-the-middle" puede inyectar consultas SQL arbitrarias cuando se establece una conexión por primera vez, a pesar del uso de la verificación y el cifrado de certificados TLS. Este fallo afecta a PgBouncer versiones anteriores a 1.16.1
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-11-08 CVE Reserved
- 2021-11-22 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-07 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
- CWE-295: Improper Certificate Validation
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2021251 | Issue Tracking | |
| https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html | Mailing List |
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| URL | Date | SRC |
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| URL | Date | SRC |
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Pgbouncer Search vendor "Pgbouncer" | Pgbouncer Search vendor "Pgbouncer" for product "Pgbouncer" | < 1.16.1 Search vendor "Pgbouncer" for product "Pgbouncer" and version " < 1.16.1" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 35 Search vendor "Fedoraproject" for product "Fedora" and version "35" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||