CVEvulnerability

CVE-2017-0881

4.3 MEDIUM Published 2017-03-28 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-03-28
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
4.3 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0 ([email protected])
4.0 MEDIUM — AV:N/AC:L/Au:S/C:P/I:N/A:N
Weaknesses
CWE-200, CWE-863

Description

An error in the implementation of an autosubscribe feature in the check_stream_exists route of the Zulip group chat application server before 1.4.3 allowed an authenticated user to subscribe to a private stream that should have required an invitation from an existing member to join. The issue affects all previously released versions of the Zulip server.

Affected configurations

• zulip zulip server (< 1.4.3)

Related

Weakness · CWE (2)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness
  • CWE-863 Incorrect Authorization weakness

References