PgBouncer up to 1.16.0 Cert Authentication sql injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in PgBouncer up to 1.16.0 and classified as critical. This issue affects some unknown processing of the component Cert Authentication. Executing a manipulation can lead to sql injection. The identification of this vulnerability is CVE-2021-3935. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in PgBouncer up to 1.16.0 and classified as critical. This vulnerability affects an unknown code of the component Cert Authentication. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 11/22/2021. The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2021-3935 since 11/08/2021. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1505 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 237294 (Debian dla-4180 : pgbouncer - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.16.1 eliminates this vulnerability. The upgrade is hosted for download at pgbouncer.org.

The vulnerability is also documented in the vulnerability database at Tenable (237294). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Sql injection
CWE: CWE-89 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 237294
Nessus Name: Debian dla-4180 : pgbouncer - security update

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PgBouncer 1.16.1

Timelineinfo

11/08/2021 🔍
11/22/2021 +14 days 🔍
11/22/2021 +0 days 🔍
11/04/2025 +1443 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2021-3935 (🔍)
GCVE (CVE): GCVE-0-2021-3935
GCVE (VulDB): GCVE-100-187114

Entryinfo

Created: 11/22/2021 19:53
Updated: 11/04/2025 09:43
Changes: 11/22/2021 19:53 (39), 11/25/2021 17:34 (1), 05/27/2025 23:58 (16), 11/04/2025 09:43 (19)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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