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[email protected]NVD:CVE-2021-3935

HistoryNov 22, 2021 - 4:15 p.m.

CVE-2021-3935

2021-11-2216:15:07

CWE-89

CWE-295

[email protected]

web.nvd.nist.gov

pgbouncer

authentication

sql injection

tls

cve-2021-3935

encryption

CVSS2

5.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:N/C:P/I:P/A:P

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.001

Percentile

40.8%

JSON

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.

Affected configurations

Nvd

Node

pgbouncerpgbouncerRange<1.16.1

Node

redhatenterprise_linuxMatch7.0

Node

fedoraprojectfedoraMatch35

Node

debiandebian_linuxMatch9.0

VendorProductVersionCPE
pgbouncerpgbouncer*cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:*
redhatenterprise_linux7.0cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
fedoraprojectfedora35cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
pgbouncer	pgbouncer	*	cpe:2.3:a:pgbouncer:pgbouncer::::::::
redhat	enterprise_linux	7.0	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
fedoraproject	fedora	35	cpe:2.3:o:fedoraproject:fedora:35:::::::*
debian	debian_linux	9.0	cpe:2.3:o:debian:debian_linux:9.0:::::::*