SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-3538

Due to insecure randomness in the g.rand.Read function the generated UUIDs are predictable for an attacker.

CRITICAL 9.8EPSS 2.31%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A flaw was found in github.com/satori/go.uuid in versions from commit 0ef6afb2f6cdd6cdaeee3885a95099c63f18fc8c to d91630c8510268e75203009fe7daf2b8e1d60c45. Due to insecure randomness in the g.rand.Read function the generated UUIDs are predictable for an attacker.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.31% probability · 82th percentile
CISA KEV
Not listed
Weakness
CWE-338
Affected
satori/uuid
Source
secalert@redhat.com

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