Security readout for executives and security teams
Plain-English summary
IBM Tivoli/Security Key Lifecycle Manager stored sensitive inputs such as passwords using a one-way hash without a salt. If an attacker with high privileges obtains those hashes, the missing salt can make password recovery easier. The CVSS score is medium, but the product’s key-management role makes exposure worth tracking carefully.
Executive priority
Treat this as a prioritized hygiene and exposure-control issue, not an emergency internet worm risk. Key-management systems protect sensitive assets, so legacy affected versions should be removed or updated in normal risk-remediation cycles.
Technical view
CVE-2021-38979 affects IBM Security Key Lifecycle Manager/Tivoli Key Lifecycle Manager versions in the 3.0, 3.0.1, 4.0, and 4.1 lines. The weakness is unsalted one-way hashing for inputs expected to remain non-reversible. CVSS v3.0 is 4.4 with network attack vector, high privileges, high complexity, and high confidentiality impact.
Likely exposure
Exposure is most likely in organizations still running the listed IBM Key Lifecycle Manager versions, especially where administrative access, backups, databases, or credential stores could reveal password hashes.
Exploitation context
The source bundle does not report active exploitation, and CISA KEV status is false. Practical abuse appears to require high privileges and access to stored hashes, but successful recovery could expose credentials or enable broader access.
Researcher notes
Evidence is limited to CVE metadata, IBM references, and X-Force ID 212785. The bundle does not provide exploit details, observed exploitation, or exact remediation versions, so validation should be anchored to IBM’s advisory before closure.
Mitigation direction
- Inventory IBM Security/Tivoli Key Lifecycle Manager deployments and versions.
- Review IBM advisory 6516034 for supported fix levels and instructions.
- Apply IBM-recommended updates or upgrades for affected versions.
- Restrict administrative access to trusted networks and named administrators.
- Protect backups, databases, and configuration stores containing credential material.
- Rotate affected credentials if hash exposure is suspected.
Validation and detection
- Confirm whether deployed versions match the affected version list.
- Check IBM advisory status against each installed instance.
- Verify administrative interfaces are not broadly reachable.
- Review logs for unusual privileged access to credential stores or backups.
- Confirm password rotation for accounts tied to exposed hashes.
- Document compensating controls where immediate upgrade is not possible.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-38979 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.4 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/UI:N/AV:N/C:H/PR:H/I:N/S:U/A:N/AC:H/RL:O/RC:C/E:U
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/UI:N/AV:N/C:H/PR:H/I:N/S:U/A:N/AC:H/RL:O/RC:C/E:U0.73.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.4MediumVector: CVSS:3.0/UI:N/AV:N/C:H/PR:H/I:N/S:U/A:N/AC:H/RL:O/RC:C/E:U
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6516034CVE reference · x_refsource_CONFIRM
- ibm-tivoli-cve202138979-info-disc (212785)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.