01 Record
CVE-2021-3967
Improper Access Control in zulip/zulip
MediumPUBLISHEDCNA: @huntrdev
CNA base score4.1 CVSS v3.xCVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
02 Description
Improper Access Control in zulip/zulip
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.83% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 57.3% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-02-26 23:00Z4 YR AGO
- Last updated
- 2024-08-03 17:09Z2 YR AGO
- Reserved
- 2021-11-17
- Assigning CNA
- @huntrdev
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.1)
- CNA CVSS vector
- CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
- Weaknesses
- CWE-284Improper Access ControlPillar
- Data version
- 5.1
- Document digest
- 80a03b9ac5f9bd8e407da1a174886dd043c3eee9429d86c33c7ce63d8b178bb0
05 Affected products
VendorProductVersionsPlatforms