CVE-2020-1722: freeipa Uncontrolled Resource Consumption
Vulnerability summary
CVE-2020-1722 is a medium (CVSS 5.4) Uncontrolled Resource Consumption vulnerability in freeipa. EPSS estimates a 1.24% chance of exploitation in the next 30 days, higher than 68.6% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 27-04-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.24%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
-0.01 pp
From 1.25% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- freeipa< 4.8.8-2
Freeipa1 product
- freeipa≥ 4.0.0, ≤ 4.8.0
Red hat1 product
- ipaall ipa versions 4.x.x through 4.8.0
Redhat1 product
- enterprise_linuxEOL6.0 | 7.0 | 8.0
Ubuntu1 product
- freeipaAll versions (No fix recorded)
5 vendors · 5 products
References
7 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1722X Refsource CONFIRMIssue TrackingThird Party Advisory