CVE-2019-15620 json
Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another share…
published 2020-02-04 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-6577
- cvss
- 2.7
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- nextcloud talk 6.0.4
Exploit prediction
0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- n/a Nextcloud Talk
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
nextcloud.com
/security/advisory/?id=NC-SA-2020-011
vendor-advisory
-
hackerone.com
/reports/662218
permissions-required
Sources
- CVE List CVE-2019-15620
- NVD CVE-2019-15620
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