Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2009-2069

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
15/06/2009
Last modified:
09/04/2025

Description

Microsoft Internet Explorer before 8 displays a cached certificate for a (1) 4xx or (2) 5xx CONNECT response page returned by a proxy server, which allows man-in-the-middle attackers to spoof an arbitrary https site by letting a browser obtain a valid certificate from this site during one request, and then sending the browser a crafted 502 response page upon a subsequent request.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): None

Base Score 2.0
5.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:microsoft:ie:5.0:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:ie:5.0:sp4:*:*:*:*:*:*
cpe:2.3:a:microsoft:ie:5.22:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:ie:6.0:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:ie:6.0:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:3.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:3.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:3.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:4.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:4.0.1:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:4.0.1:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:4.01:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools