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Fencer Vulns
medium 4.6

CVE-2001-0856 json

Common Cryptographic Architecture (CCA) in IBM 4758 allows an attacker with physical access to the system and Combine_Key_Parts permissions…

published 2001-11-22 24 y ago modified 2026-06-16 4 mo ago also EUVD-2001-0839

cvss
4.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

Common Cryptographic Architecture (CCA) in IBM 4758 allows an attacker with physical access to the system and Combine_Key_Parts permissions, to steal DES and 3DES keys by using a brute force attack to create a 3DES exporter key.

Patch / fix

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • cl.cam.ac.uk http://www.cl.cam.ac.uk/~rnc1/descrack/attack.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

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.