CVE-2021-3967
HIGHCVSS 8.8/10EPSS 0.85%
Last modified
CVE-2021-3967 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Improper Access Control in GitHub repository zulip/zulip prior to 4.10.. EPSS estimates a 0.85% chance of exploitation in the next 30 days.
Description
Improper Access Control in GitHub repository zulip/zulip prior to 4.10.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zulip | Zulip | < 4.10 |
References
- https://github.com/zulip/zulip/commit/d5db254ca8167995a1654d1c45ffc74b2fade39aPatch, Third Party Advisory
- https://huntr.dev/bounties/2928a625-0467-4a0a-b4e2-e27322786686Exploit, Third Party Advisory
- https://github.com/zulip/zulip/commit/d5db254ca8167995a1654d1c45ffc74b2fade39aPatch, Third Party Advisory
- https://huntr.dev/bounties/2928a625-0467-4a0a-b4e2-e27322786686Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3967?
Improper Access Control in GitHub repository zulip/zulip prior to 4.10.
How severe is CVE-2021-3967?
CVE-2021-3967 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3967?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-3967?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
