CVE-2001-0856 — 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

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MEDIUM

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

Published Nov 22, 2001

4.6

MEDIUM

CVSS 2.0

EPSS 0.47%

Description

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.47% 0.00468

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.00468

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 3, 2026	0.47% (0.00468)	38.34th	v5 (v2026.06.15)
Jun 15, 2026	0.47% (0.00468)	36.70th	v5 (v2026.06.15)
Mar 17, 2025	0.06% (0.00058)	15.29th	v4 (v2025.03.14)
Dec 12, 2024	0.14% (0.00138)	50.91th	v3 (v2023.03.01)
Oct 23, 2023	0.14% (0.00138)	48.99th	v3 (v2023.03.01)
Mar 7, 2023	0.11% (0.00112)	42.89th	v3 (v2023.03.01)
Mar 6, 2023	1.02% (0.01018)	40.69th	v2 (v2022.01.01)
Sep 10, 2022	1.02% (0.01018)	38.88th	v2 (v2022.01.01)
Apr 1, 2022	1.02% (0.01018)	36.86th	v2 (v2022.01.01)
Feb 4, 2022	1.02% (0.01018)	19.50th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (4)

http://marc.info/?l=bugtraq&m=100533053219673&w=2
mailing-listx_refsource_BUGTRAQ
http://www.cl.cam.ac.uk/~rnc1/descrack/
x_refsource_MISCPatchVendor Advisory
http://www.cl.cam.ac.uk/~rnc1/descrack/attack.html
x_refsource_MISCExploitVendor Advisory
http://www.securityfocus.com/bid/3524
vdb-entryx_refsource_BID

Link	Providers	Tags
http://marc.info/?l=bugtraq&m=100533053219673&w=2		mailing-listx_refsource_BUGTRAQ
http://www.cl.cam.ac.uk/~rnc1/descrack/		x_refsource_MISCPatchVendor Advisory
http://www.cl.cam.ac.uk/~rnc1/descrack/attack.html		x_refsource_MISCExploitVendor Advisory
http://www.securityfocus.com/bid/3524		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Nov 22, 2001

Updated Aug 8, 2024

Reserved Nov 22, 2001

Link CVE-2001-0856

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2001-0856

Red Hat

Severity n/a

Public date n/a

Links CVE-2001-0856