Vulnerability Details : CVE-2021-32652
Potential exploit
Nextcloud Mail is a mail app for the Nextcloud platform. A missing permission check in Nextcloud Mail before 1.4.3 and 1.8.2 allows another authenticated users to access mail metadata of other users. Versions 1.4.3 and 1.8.2 contain patches for this vulnerability; no workarounds other than the patches are known to exist.
Products affected by CVE-2021-32652
- cpe:2.3:a:nextcloud:mail:*:*:*:*:*:*:*:*
- cpe:2.3:a:nextcloud:mail:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-32652
0.34%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-32652
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
GitHub, Inc. |
CWE ids for CVE-2021-32652
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: security-advisories@github.com (Secondary)
-
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-32652
-
https://hackerone.com/reports/1094063
#1094063 Take over a mail account due missing validation of account idExploit;Third Party Advisory
-
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mxx2-6rg9-v2vc
Missing permission check on email metadata retrieval · Advisory · nextcloud/security-advisories · GitHubThird Party Advisory
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