CVE-2021-3935
CVSS V2 Medium 5.1
CVSS V3 High 8.1
Description
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.
Overview
- CVE ID
- CVE-2021-3935
- Assigner
- patrick@puiterwijk.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-11-22T16:15:07
- Last Modified Date
- 2022-12-21T15:01:19
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:* | 1 | OR | 1.16.1 | |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:H/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- HIGH
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 5.1
- Severity
- MEDIUM
- Exploitability Score
- 4.9
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.1
- Base Severity
- HIGH
- Exploitability Score
- 2.2
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2021251 | Issue Tracking Third Party Advisory |
| http://www.pgbouncer.org/changelog.html#pgbouncer-116x | Release Notes Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/ | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html | Mailing List Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-3935 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3935 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:45:41 | Added to TrackCVE | |||
| 2022-12-05 14:59:46 | security@elastic.co | bressers@elastic.co | CVE Assigner | updated |
| 2022-12-05 14:59:46 | 2021-11-22T16:15Z | 2021-11-22T16:15:07 | CVE Published Date | updated |
| 2022-12-05 14:59:46 | 2022-03-16T17:22:25 | CVE Modified Date | updated | |
| 2022-12-05 14:59:46 | Analyzed | Vulnerability Status | updated | |
| 2022-12-21 15:13:10 | bressers@elastic.co | patrick@puiterwijk.org | CVE Assigner | updated |
| 2022-12-21 15:13:10 | 2022-12-21T15:01:19 | CVE Modified Date | updated |