SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-3967

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

HIGH 8.8EPSS 0.84%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.84% probability · 56th percentile
CISA KEV
Not listed
Weakness
CWE-284
Affected
zulip/zulip
Source
security@huntr.dev

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.