SARA / Free Tools / CVE / CVE-2017-12238

CVE-2017-12238 — Cisco Catalyst 6800 Series Switches VPLS Denial-of-Service Vulnerability

A vulnerability in the Virtual Private LAN Service (VPLS) code of Cisco IOS 15.0 through 15.4 for Cisco Catalyst 6800 Series Switches could allow an unauthenticated, adjacent attacker to cause a C6800-16P10G or C6800-16P10G-XL type line card to crash, resulting in a denial of ser

CVSS
EPSS
1.15% (top 21.70%)
CWE
CWE-399
Published
2017-09-28T07:00:00.000Z
Last modified
2026-01-12T21:46:19.716Z
CVSS vector
CISA KEV — Actively Exploited
Added to KEV
2022-03-03
BOD 22-01 due
2022-03-24
Ransomware use
Unknown

01What is this vulnerability?

A vulnerability in the Virtual Private LAN Service (VPLS) code of Cisco IOS 15.0 through 15.4 for Cisco Catalyst 6800 Series Switches could allow an unauthenticated, adjacent attacker to cause a C6800-16P10G or C6800-16P10G-XL type line card to crash, resulting in a denial of service (DoS) condition. The vulnerability is due to a memory management issue in the affected software. An attacker could…

02Affected products

VendorProductVersions
na / Cisco IOSCisco IOS

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-03-03. Ransomware use: Unknown.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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