Cisco IOS 11.2.8 VLAN 802.1q privileges management

CVSS Meta Temp Score
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7.0$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Cisco IOS 11.2.8 (Router Operating System). Affected by this issue is an unknown code of the component VLAN 802.1q Handler. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Cisco Catalyst 2900 Virtual LAN (VLAN) switches allow remote attackers to inject 802.1q frames into another VLAN by forging the VLAN identifier in the trunking tag.

The weakness was released 09/01/1999 by Andrew as not defined posting (Bugtraq). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-1999-1129. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (3294). Entry connected to this vulnerability is available at 27680.

Productinfo

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Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/01/1999 🔍
09/01/1999 +0 days 🔍
09/01/1999 +0 days 🔍
09/02/1999 +1 days 🔍
09/12/2010 +4028 days 🔍
06/21/2014 +1378 days 🔍
03/04/2017 +987 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: securityfocus.com
Researcher: Andrew
Status: Not defined

CVE: CVE-1999-1129 (🔍)
X-Force: 3294 - Multiple vendor 802.1q VLAN implementations allow injected frames
Vulnerability Center: 27084 - Cisco Catalyst 2900 Virtual LAN Switches Allows Remote VLAN Spoofing, High
SecurityFocus: 615 - IEEE 802.1q Unauthorized VLAN Traversal Weakness

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Entryinfo

Created: 06/21/2014 21:51
Updated: 03/04/2017 14:48
Changes: 06/21/2014 21:51 (58), 03/04/2017 14:48 (6)
Complete: 🔍

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