SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-38979

IBM Tivoli Key Lifecycle Manager 3.0, 3.0.1, 4.0, and 4.1 uses a one-way cryptographic hash against an input that should not be reversible, such as a password, but the software does not also use a salt as part of the input.

HIGH 7.5EPSS 0.71%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

IBM Tivoli Key Lifecycle Manager 3.0, 3.0.1, 4.0, and 4.1 uses a one-way cryptographic hash against an input that should not be reversible, such as a password, but the software does not also use a salt as part of the input. IBM X-Force ID: 212785.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.71% probability · 53th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-916
Affected
ibm/security guardium key lifecycle manager · ibm/security key lifecycle manager
Source
psirt@us.ibm.com
EPSS trend
0%3%5%26 October 2026: 0.71%26 October 202626 October 2026

EPSS 0.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.