CVE-2021-3967

Improper Access Control in zulip/zulip

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Published Feb 26, 2022 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

zulip

zulip/zulip

affected

Version	Status	Constraints
`unspecified`	affected	< 4.10

Configuration 1 [-]

cpe:2.3:a:zulip:zulip:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-27172	Improper Access Control in GitHub repository zulip/zulip prior to 4.10.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.838% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/zulip/zulip/commit/d5db254ca8167995a1654d1c45ffc74b2fade39a
https://huntr.dev/bounties/2928a625-0467-4a0a-b4e2-e27322786686

History

No history.

Subscriptions

Zulip Zulip

Weaknesses

Sources

CVE record Updated: Aug 3, 2024, 5:09 PM

Status: PUBLISHED
Assigner: @huntrdev
Published: Feb 26, 2022, 11:00 PM
Updated: Aug 3, 2024, 5:09 PM
Reserved: Nov 17, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:06 AM

Status: Modified
Published: Feb 26, 2022, 11:15 PM
Modified: Jun 17, 2026, 4:06 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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