SARA / Free Tools / CVE / CVE-2018-0197

CVE-2018-0197 — A vulnerability in the VLAN Trunking Protocol (VTP) subsystem of Cisco IOS Softw

A vulnerability in the VLAN Trunking Protocol (VTP) subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to corrupt the internal VTP database on an affected device and cause a denial of service (DoS) condition. The vulnerabil

CVSS
— —
EPSS
0.15% (top 64.80%)
CWE
CWE-20
Published
2018-10-05T14:00:00.000Z
Last modified
2024-11-26T14:46:22.295Z
CVSS vector
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01What is this vulnerability?

A vulnerability in the VLAN Trunking Protocol (VTP) subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to corrupt the internal VTP database on an affected device and cause a denial of service (DoS) condition. The vulnerability is due to a logic error in how the affected software handles a subset of VTP packets. An attacker could exploit…

02Affected products

VendorProductVersions
CiscoCisco IOS and IOS XE Software15.2(2)E6

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

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

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

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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