CVE-2008-3803: Medium severity cisco ios vulnerability

Published Sep 26, 2008
·
Updated

A "logic error" in Cisco IOS 12.0 through 12.4, when a Multiprotocol Label Switching (MPLS) VPN with extended communities is configured, sometimes causes a corrupted route target (RT) to be used, which allows remote attackers to read traffic from other VPNs in opportunistic circumstances.

Affected Software

3 affected components
Cisco IOS=12.0sz
Cisco IOS=12.0s
Cisco IOS=12.0sx

Event History

Sep 26, 2008
CVE Published
via MITRE·04:00 PM
Data Sourced
via MITRE·04:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2008-3803?

CVE-2008-3803 has a moderate severity rating due to its potential to allow unauthorized access to VPN traffic.

2

How do I fix CVE-2008-3803?

To mitigate CVE-2008-3803, users should upgrade their Cisco IOS software to a version that does not have this vulnerability.

3

What are the affected versions in CVE-2008-3803?

CVE-2008-3803 affects Cisco IOS versions 12.0 through 12.4, specifically 12.0s, 12.0sx, and 12.0sz.

4

What type of attack does CVE-2008-3803 allow?

CVE-2008-3803 permits remote attackers to read traffic from other VPNs, resulting in unauthorized data exposure.

5

Is CVE-2008-3803 still a concern for current systems?

While CVE-2008-3803 specifically targets older Cisco IOS versions, organizations using those versions should prioritize upgrading to protect against potential exploits.

Contact

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