Home/CVE/A missing check in Nextcloud Server 14.0.3 could give recipient the possibility to extend the expiration date of a share
CVE

CVE-2020-8122

A missing check in Nextcloud Server 14.0.3 could give recipient the possibility to extend the expiration date of a share

A missing check in Nextcloud Server 14.0.3 could give recipient the possibility to extend the expiration date of a share they received.

MEDIUM · CVSS 4.3 EPSS 0.00275
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-284Improper Access Control
▤

Affected Products & Versions

4
nextcloud server< 12.0.13
nextcloud server>= 13.0.0 and < 13.0.8
nextcloud server>= 14.0.0 and < 14.0.4
nextcloud server>= 14.0.5 and < 15.0.0
⚠

Public Exploits & PoCs

1
pochackerone.com · 447494hackerone.com
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Feb 2020 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://nextcloud.com/security/advisory/?id=NC-SA-2019-002Vendor Advisory
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