5.3

CVE-2021-20282: fedoraproject fedora Incorrect Authorization

CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2021-20282
Published 15-03-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-20282 is a medium (CVSS 5.3) Incorrect Authorization vulnerability in fedoraproject fedora. EPSS estimates a 1.32% chance of exploitation in the next 30 days, higher than 70.5% 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
1.32%
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

When creating a user account, it was possible to verify the account without having access to the verification email link/secret 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

1.32%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

+0.05 pp

From 1.27% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.32%

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