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A memory management vulnerability exists in the Virtual Private LAN Service (VPLS) implementation of Cisco IOS 15.0 through 15.4 on Cisco Catalyst 6800 Series Switches with C6800-16P10G or C6800-16P10G-XL line cards and Supervisor Engine 6T. An unauthenticated, adjacent attacker can exploit this by generating a large number of VPLS MAC entries, exhausting memory and causing the affected line card to crash, resulting in a denial of service (DoS). The vulnerability is triggered only when the device is configured with VPLS and the vulnerable line card is used as the core-facing MPLS interface.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
1 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.