5.3

CVE-2021-20281: fedoraproject fedora

CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2021-20281
Published 15-03-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-20281 is a medium (CVSS 5.3) vulnerability in fedoraproject fedora. EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.3% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
1.36%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-03-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

It was possible for some users without permission to view other users' full names to do so via the online users block in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.36%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

+0.05 pp

From 1.31% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Fedoraproject1 product
Moodle1 product
  • moodle≥ 3.5.0, < 3.5.17 | ≥ 3.8.0, < 3.8.8 | ≥ 3.9.0, < 3.9.5 | ≥ 3.10.0, < 3.10.2
Ubuntu1 product
  • moodleAll versions (No fix recorded)

3 vendors · 3 products

References

6 links