CVE-2021-3515

6.7 mediumEPSS 0.5%

Medium (6.7) in 2ndquadrant pglogical. EPSS 0.5% chance of exploitation in the next 30 days.

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().

Severity

CVSS 3.1

6.7 medium

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
CWEs: CWE-78, CWE-77
Published: 2021-06-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

2ndquadrant:pglogical

References

https://bugzilla.redhat.com/show_bug.cgi?id=1954112
https://bugzilla.redhat.com/show_bug.cgi?id=1954112

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