Vulnerability in Zulip
CVE-2021-3967
Improper Access Control in GitHub repository zulip/zulip prior to 4.10.
EPSS: 0.008 (53.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Zulip
- Zulip Zulip/zulip — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@huntr.dev (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- security@huntr.dev (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-3967?
- CVE-2021-3967 is a high-severity vulnerability in Zulip, classified under Improper Access Control. CVSS score: 8.8/10. Published 2022-02-26.
- How severe is CVE-2021-3967?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-3967 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.