Vulnerability Database

309,136

Total vulnerabilities in the database

CVE-2021-30487

In the topic moving API in Zulip Server 3.x before 3.4, organization administrators were able to move messages to streams in other organizations hosted by the same Zulip installation.

  • Published: Apr 15, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-30487
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 2.7
  • AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

CVSS v2:

  • Severity: Low
  • Score: 4
  • AV:N/AC:L/Au:S/C:N/I:P/A:N

No CWE or OWASP classifications available.

Software From Fixed in
zulip / zulip_server 3.0 3.4