Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-22896

Nextcloud Mail before 1.9.5 suffers from improper access control due to a missing permission check allowing other authenticated users to create mail aliases for other users.

Published

2021-06-11T16:15:10.887

Last Modified

2024-11-21T05:50:51.803

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

CVSSv2 Vector

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

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

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-862
Type: Primary
CWE-862

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nextcloud	nextcloud	< 1.9.5	Yes

References

https://github.com/nextcloud/mail/pull/4864 Patch, Third Party Advisory ([email protected])
https://github.com/nextcloud/mail/releases/tag/v1.9.5 Release Notes, Third Party Advisory ([email protected])
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jmgp-77jq-fjp3 Third Party Advisory ([email protected])
https://hackerone.com/reports/1129996 Third Party Advisory ([email protected])
https://github.com/nextcloud/mail/pull/4864 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/nextcloud/mail/releases/tag/v1.9.5 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jmgp-77jq-fjp3 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/1129996 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)