01 Record
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.
UnratedPUBLISHEDCNA: hackerone
CNA base scoreUnratedNo CNA CVSS vector
02 Description
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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.76% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 55.0% of scored records. A rank, not a probability.
- NVD base score
- 2.7 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-02-04 19:08Z6 YR AGO
- Last updated
- 2024-08-05 00:56Z2 YR AGO
- Reserved
- 2019-08-26
- Assigning CNA
- hackerone
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-287Improper AuthenticationClass
- Data version
- 5.1
- Document digest
- 0634791ef56d364c75e6a2f97fd69d0760ad51e009b064e0fe55874a4656421a
05 Affected products
VendorProductVersionsPlatforms
06 References
- hackerone.comhttps://hackerone.com/reports/662218
- nextcloud.comhttps://nextcloud.com/security/advisory/?id=NC-SA-2020-011