CVE-2020-1722

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-04-27 · updated 2026-06-17
Weakness: CWE-400

Description

A flaw was found in all ipa versions 4.x.x through 4.8.0. When sending a very long password (>= 1,000,000 characters) to the server, the password hashing process could exhaust memory and CPU leading to a denial of service and the website becoming unresponsive. The highest threat from this vulnerability is to system availability.

Affected products

FreeIPA ipa: from 4.0.0 through 4.8.0
Red Hat Enterprise Linux: 6.0, 7.0, 8.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1722
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1722

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