CVE-1999-1129

Description

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.

7.5

CVSS

Severity: High

CVSS 2.0 •

EPSS 0.87% Top 30%

Vendor Advisory cisco.com Vendor Advisory securityfocus.com Vendor Advisory securityfocus.com

Affected: n/a n/a

References

Link	Tags
https://exchange.xforce.ibmcloud.com/vulnerabilities/3294	vdb entry
http://www.cisco.com/univercd/cc/td/doc/product/lan/28201900/1928v8x/eescg8x/aleakyv.htm	vendor advisory
http://www.securityfocus.com/archive/1/26008	patch vendor advisory mailing list
http://www.securityfocus.com/bid/615	patch vendor advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-1999-1129?: CVE-1999-1129 has been scored as a high severity vulnerability.
How to fix CVE-1999-1129?: To fix CVE-1999-1129, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-1999-1129 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-1999-1129 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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