PT-2021-15270 · Nextcloud · Nextcloud Deck

Rtod · Published 2021-06-11 · Updated 2021-06-23 · CVE-2021-22913

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Nextcloud Deck versions prior to 1.2.7 Nextcloud Deck versions prior to 1.4.1

Description The issue arises from an information disclosure vulnerability. When searching for sharees, the lookup server is utilized by default instead of only the local Nextcloud server, unless a global search has been explicitly chosen by the user.

Recommendations For Nextcloud Deck versions prior to 1.2.7, update to version 1.2.7 or later to resolve the issue. For Nextcloud Deck versions prior to 1.4.1, update to version 1.4.1 or later to resolve the issue.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2021-22913

GHSA-H8F6-WG82-6P7R

Affected Products

Nextcloud Deck

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-22913 · Security Note
• https://osv.dev/vulnerability/CVE-2021-22913 · Vendor Advisory
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h8f6-wg82-6p7r · Note
• https://hackerone.com/reports/1167958 · Note
• https://t.me/cibsecurity/25395 · Telegram Post