CVE-2020-21469

Public Exploit

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).

Category

4.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Vendor Advisory postgresql.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.postgresql.org/support/security/ product
https://www.postgresql.org/message-id/CAA8ZSMqAHDCgo07hqKoM5XJaoQy6Vv76O7966agez4ffyQktkA%40mail.gmail.com vendor advisory mailing list exploit
https://www.postgresql.org/message-id/flat/CAA8ZSMqAHDCgo07hqKoM5XJaoQy6Vv76O7966agez4ffyQktkA%40mail.gmail.com mailing list

Frequently Asked Questions

What is the severity of CVE-2020-21469?
CVE-2020-21469 has been scored as a medium severity vulnerability.
How to fix CVE-2020-21469?
To fix CVE-2020-21469, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-21469 being actively exploited in the wild?
It is possible that CVE-2020-21469 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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