CVE-2021-30487
LOW
2.7
CVSS Score
Published: April 14, 2021 at 11:43 PM UTC
Updated: June 17, 2026 at 03:50 AM UTC
1 product affected across 1 vendorZulip Server
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Severity
LOW2.7
Exploit prediction
EPSS 0.7%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
3.0 ≤ v < 3.4
Affected range stops below 3.4, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://blog.zulip.com/2021/04/14/zulip-server-3-4/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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