9.8

CVE-2021-35946: owncloud Improper Privilege Management

CVSS: 9.8v3.1CriticalModified
Published 07-09-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-35946 is a critical (CVSS 9.8) Improper Privilege Management vulnerability in owncloud. EPSS estimates a 1.48% chance of exploitation in the next 30 days, higher than 73.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.48%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 07-09-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A receiver of a federated share with access to the database with ownCloud version before 10.8 could update the permissions and therefore elevate their own permissions.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.48%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

0.00 pp

From 1.48% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.48%

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

Owncloud1 product

1 vendor · 1 product

References

2 links