CVE-2001-0903 — Linear key exchange process in High-bandwidth Digital Content Protection (HDCP) System allows remote attackers to access data as plaintext, avoid device blacklists, clone devices, and create new device keyvectors by computing and using alternate key combinations for authentication

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HIGH

Linear key exchange process in High-bandwidth Digital Content Protection (HDCP) System allows remote attackers to access data as plaintext, avoid device blacklists, clone devices, and create new device keyvectors by computing and using alternate key combinations for authentication

Published Feb 2, 2002

7.5

HIGH

CVSS 2.0

EPSS 1.65%

Description

Linear key exchange process in High-bandwidth Digital Content Protection (HDCP) System allows remote attackers to access data as plaintext, avoid device blacklists, clone devices, and create new device keyvectors by computing and using alternate key combinations for authentication.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.65% 0.01653

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01653

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 1, 2026	1.65% (0.01653)	75.68th	v5 (v2026.06.15)
Jun 15, 2026	1.65% (0.01653)	73.41th	v5 (v2026.06.15)
Mar 17, 2025	0.88% (0.00883)	73.78th	v4 (v2025.03.14)
Dec 12, 2024	1.24% (0.01238)	86.07th	v3 (v2023.03.01)
May 2, 2024	1.24% (0.01238)	85.31th	v3 (v2023.03.01)
Mar 7, 2023	1.24% (0.01238)	83.31th	v3 (v2023.03.01)
Mar 6, 2023	1.21% (0.01213)	66.61th	v2 (v2022.01.01)
Feb 17, 2023	1.21% (0.01213)	66.22th	v2 (v2022.01.01)
Apr 1, 2022	1.21% (0.01213)	64.21th	v2 (v2022.01.01)
Feb 4, 2022	1.21% (0.01213)	40.54th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (4)

http://marc.info/?l=bugtraq&m=100626641009560&w=2
mailing-listx_refsource_BUGTRAQ
http://nunce.org/hdcp/hdcp111901.htm
x_refsource_MISCVendor Advisory
http://www.iss.net/security_center/static/7612.php
vdb-entryx_refsource_XF
http://www.securityfocus.com/bid/3558
vdb-entryx_refsource_BID

Link	Providers	Tags
http://marc.info/?l=bugtraq&m=100626641009560&w=2		mailing-listx_refsource_BUGTRAQ
http://nunce.org/hdcp/hdcp111901.htm		x_refsource_MISCVendor Advisory
http://www.iss.net/security_center/static/7612.php		vdb-entryx_refsource_XF
http://www.securityfocus.com/bid/3558		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Feb 2, 2002

Updated Aug 8, 2024

Reserved Jan 31, 2002

Link CVE-2001-0903

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2001-0903

Red Hat

Severity n/a

Public date n/a

Links CVE-2001-0903