Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-22906

Nextcloud End-to-End Encryption before 1.5.3, 1.6.3 and 1.7.1 suffers from a denial of service vulnerability due to permitting any authenticated users to lock files of other users.

Published

2021-06-11T16:15:11.677

Last Modified

2024-11-21T05:50:53.283

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-400
Type: Primary
CWE-639

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nextcloud	end-to-end_encryption	< 1.5.3	Yes
Application	nextcloud	end-to-end_encryption	< 1.6.3	Yes
Application	nextcloud	end-to-end_encryption	< 1.7.1	Yes

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3829-45wm-ww36 Third Party Advisory ([email protected])
https://hackerone.com/reports/1189174 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3829-45wm-ww36 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/1189174 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)