CVE-2022-39183: moodle saml_authentication Open Redirect
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2022-39183
Published 12-01-2023Last modified 08-04-2025
Vulnerability summary
CVE-2022-39183 is a medium (CVSS 6.5) Open Redirect vulnerability in moodle saml_authentication. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.7% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-01-2023PublishedVulnerability first disclosed.
- 08-04-2025Last modifiedVulnerability information updated.
Description
Moodle Plugin - SAML Auth may allow Open Redirect through unspecified vectors.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NSources3 sources · 6.1–6.5
- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NDiffers
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
34%
Versus all other CVEs
30-day change
0.00 pp
From 0.41% on 20-09-2026
20-09-202620-10-2026
EPSS score0.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Moodle1 product
Ubuntu1 product
- moodleAll versions (No fix recorded)
2 vendors · 2 products