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NVD Vulnerability Details :

CVE-2001-0338

Modified

Source-cve@mitre.org

Published At-27 Jun, 2001 | 04:00

Updated At-16 Apr, 2026 | 00:27

Internet Explorer 5.5 and earlier does not properly validate digital certificates when Certificate Revocation List (CRL) checking is enabled, which could allow remote attackers to spoof trusted web sites, aka the "Server certificate validation vulnerability."

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	2.0	5.1	MEDIUM	AV:N/AC:H/Au:N/C:P/I:P/A:P

Type: Primary

Version: 2.0

Base score: 5.1

Base severity: MEDIUM

Vector:

AV:N/AC:H/Au:N/C:P/I:P/A:P

CPE Matches

Microsoft Corporation

>>internet_explorer>>Versions up to 5.5(inclusive)

cpe:2.3:a:microsoft:internet_explorer:*:*:*:*:*:*:*:*

Microsoft Corporation

>>internet_explorer>>5.01

cpe:2.3:a:microsoft:internet_explorer:5.01:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
NVD-CWE-Other	Primary	nvd@nist.gov

CWE ID: NVD-CWE-Other

Type: Primary

Source: nvd@nist.gov

References

Hyperlink	Source	Resource
http://www.ciac.org/ciac/bulletins/l-087.shtml	cve@mitre.org	N/A
http://www.securityfocus.com/bid/2735	cve@mitre.org	N/A
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-027	cve@mitre.org	N/A
https://exchange.xforce.ibmcloud.com/vulnerabilities/6555	cve@mitre.org	N/A
http://www.ciac.org/ciac/bulletins/l-087.shtml	af854a3a-2127-422b-91ae-364da2661108	N/A
http://www.securityfocus.com/bid/2735	af854a3a-2127-422b-91ae-364da2661108	N/A
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-027	af854a3a-2127-422b-91ae-364da2661108	N/A
https://exchange.xforce.ibmcloud.com/vulnerabilities/6555	af854a3a-2127-422b-91ae-364da2661108	N/A