9

CVE-2021-33827: owncloud files_antivirus OS Command Injection

CVSS: 9.0v2.0HighModified
Published 15-01-2022Last modified 03-08-2024

Vulnerability summary

CVE-2021-33827 is a high (CVSS 9.0) OS Command Injection vulnerability in owncloud files_antivirus. EPSS estimates a 2.09% chance of exploitation in the next 30 days, higher than 81.3% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
High · v2.0 (NVD)
EPSS score
2.09%
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. 15-01-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

The files_antivirus component before 1.0.0 for ownCloud allows OS Command Injection via the administration settings.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.09%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

0.00 pp

From 2.09% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.09%

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