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CVE-2021-3515

Date: June 1, 2021

A shell injection flaw was found in pglogical in versions before 2.3.4 and before 3.6.26. An attacker with CREATEDB privileges on a PostgreSQL server can craft a database name that allows execution of shell commands as the postgresql user when calling pglogical.create_subscription().

Language: C

Severity Score

Related Resources (5)

https://bugzilla.redhat.com/show_bug.cgi?id=1954112
https://github.com/2ndQuadrant/pglogical/commit/95c0e8981485e09efab6821cf55a4e27b086efe5
https://nvd.nist.gov/vuln/detail/CVE-2021-3515
https://security-tracker.debian.org/tracker/CVE-2021-3515
https://www.mend.io/vulnerability-database/CVE-2021-3515

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-77

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CWE-78

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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