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Fencer Vulns
medium 4.4

CVE-2021-38983 json

IBM Tivoli Key Lifecycle Manager 3.0, 3.0.1, 4.0, and 4.1 uses weaker than expected cryptographic algorithms that could allow an attacker t…

published 2021-11-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25420

cvss
4.4
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

IBM Tivoli Key Lifecycle Manager 3.0, 3.0.1, 4.0, and 4.1 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 212792.

Patch / fix

Exploit prediction

0.91% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 4.4 CVSS:3.0/C:H/AV:N/UI:N/AC:H/PR:H/I:N/S:U/A:N/E:U/RL:O/RC:C
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.0 4.4 CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • IBM Security Key Lifecycle Manager

Classification

Weakness
  • CWE-326 Inadequate Encryption Strength

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.