Vulnerability Details : CVE-2019-15620
Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature.
Vulnerability category: BypassGain privilege
Products affected by CVE-2019-15620
- cpe:2.3:a:nextcloud:talk:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-15620
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-15620
| 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 | |
|
2.7
|
LOW | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N |
1.2
|
1.4
|
NIST |
CWE ids for CVE-2019-15620
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: support@hackerone.com (Secondary)
References for CVE-2019-15620
-
https://nextcloud.com/security/advisory/?id=NC-SA-2020-011
advisory – NextcloudVendor Advisory
-
https://hackerone.com/reports/662218
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