SARA / Free Tools / CVE / CVE-2018-0241

CVE-2018-0241 — A vulnerability in the UDP broadcast forwarding function of Cisco IOS XR Softwar

A vulnerability in the UDP broadcast forwarding function of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on the affected device. The vulnerability is due to improper handling of UDP broadcast packets that are

CVSS
— —
EPSS
0.26% (top 51.30%)
CWE
CWE-399
Published
2018-04-19T20:00:00.000Z
Last modified
2024-11-29T15:16:58.735Z
CVSS vector
—

01What is this vulnerability?

A vulnerability in the UDP broadcast forwarding function of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on the affected device. The vulnerability is due to improper handling of UDP broadcast packets that are forwarded to an IPv4 helper address. An attacker could exploit this vulnerability by sending multiple UDP broadcast…

02Affected products

VendorProductVersions
na / Cisco IOS XRCisco IOS XR

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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