CVE-2021-3967

Improper Access Control in zulip/zulip

HIGH
8.8
CVSS Score
Published: February 26, 2022 at 11:00 PM UTC
Updated: June 17, 2026 at 04:06 AM UTC
1 product affected across 1 vendorZulip

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Severity
HIGH8.8
Exploit prediction
EPSS 0.8%

Description

Improper Access Control in GitHub repository zulip/zulip prior to 4.10.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.10
Affected range stops below 4.10, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284NVD-CWE-Other

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