A user of a machine protected by SafeNet Agent for Windows Logon may leverage weak…
Priority LOW 33CWE-331Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
A user of a machine protected by SafeNet Agent for Windows Logon may leverage weak entropy to access the encrypted credentials of any or all the users on that machine.
Why it matters now
EPSS 0.006 48th percentileScored 2026-11-07
Fix Fixed Safenet Authentication Service (Thales CPL): 3.4.4
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Thales CPL | Safenet Authentication Service | Windows Logon Agent to before 3.4.4 | 3.4.4 | Patch available | CNA |
- Safenet Authentication Service VendorThales CPL Affected Windows Logon Agent to before 3.4.4 Fixed in 3.4.4 Patch available CNA
Remediation
- Fix · CNA Safenet Authentication Service (Thales CPL) Fixed in 3.4.4
Timeline
- 2026-10-02 Threatist record created from CVE-2021-42138
- 2026-10-03 Alias added: GHSA-5c3c-76cf-7hhm
References
Other 2
- https://supportportal.gemalto.com/csm?sys_kb_id=a52bd13adbff7010f0e322080596194a&id=kb_article_view&sysparm_rank=1&sysparm_tsqueryId=b3bdd932db33b010f0e3220805961955
- https://supportportal.gemalto.com/csm?sys_kb_id=e8397662dbb7fc10520c4705059619eb&id=kb_article_view&sysparm_rank=2&sysparm_tsqueryId=b3bdd932db33b010f0e3220805961955
Sources
- CVE-2021-42138 · CVE Program
- CVE-2021-42138 · NVD
- FIRST EPSS
- GHSA-5c3c-76cf-7hhm · GitHub Advisory Database · CC BY 4.0
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