CVE-2017-0881 describes an improper access control vulnerability in Zulip group chat server versions prior to 1.4.3. An authenticated user could exploit an error in the autosubscribe feature of the check_stream_exists route to join private streams without an invitation. This medium-severity vulnerability (CVSS 4.3) has a low attack complexity and could lead to information disclosure, but does not impact integrity or availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.4.3CPE matchmatch criteria | cpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.