CVE-2020-21469 — MEDIUM (4.4)

Vulnerability Description

An issue was discovered in PostgreSQL 12.2 allows attackers to cause a denial of service via repeatedly sending SIGHUP signals. NOTE: this is disputed by the vendor because untrusted users cannot send SIGHUP signals; they can only be sent by a PostgreSQL superuser, a user with pg_reload_conf access, or a user with sufficient privileges at the OS level (the postgres account or the root account).

CVSS Score

4.4

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Postgresql	Postgresql	12.2

Related Weaknesses (CWE)

CWE-120

References

https://www.postgresql.org/message-id/CAA8ZSMqAHDCgo07hqKoM5XJaoQy6Vv76O7966agezExploitMailing ListVendor Advisory
https://www.postgresql.org/message-id/flat/CAA8ZSMqAHDCgo07hqKoM5XJaoQy6Vv76O796Mailing List
https://www.postgresql.org/support/security/Product
https://www.postgresql.org/message-id/CAA8ZSMqAHDCgo07hqKoM5XJaoQy6Vv76O7966agezExploitMailing ListVendor Advisory
https://www.postgresql.org/message-id/flat/CAA8ZSMqAHDCgo07hqKoM5XJaoQy6Vv76O796Mailing List
https://www.postgresql.org/support/security/Product

FAQ

What is CVE-2020-21469?

CVE-2020-21469 is a vulnerability with a CVSS score of 4.4 (MEDIUM). An issue was discovered in PostgreSQL 12.2 allows attackers to cause a denial of service via repeatedly sending SIGHUP signals. NOTE: this is disputed by the vendor because untrusted users cannot send...

How severe is CVE-2020-21469?

CVE-2020-21469 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-21469?

Check the references section above for vendor advisories and patch information. Affected products include: Postgresql Postgresql.