PT-2017-18957 · Cisco · Cisco Dpc3941T+1

Chris Grayson + 2 · Published 2017-07-31 · Updated 2017-08-02 · CVE-2017-9487

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Cisco DPC3939 version dpc3939-P20-18-v303r20421746-170221a-CMCST Cisco DPC3941T version DPC3941 2.5s3 PROD sey

Description The issue allows remote attackers to discover a WAN IPv6 IP address by leveraging knowledge of the CM MAC address.

Recommendations For Cisco DPC3939 version dpc3939-P20-18-v303r20421746-170221a-CMCST, at the moment, there is no information about a newer version that contains a fix for this vulnerability. For Cisco DPC3941T version DPC3941 2.5s3 PROD sey, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2017-9487

Affected Products

Cisco Dpc3939

Cisco Dpc3941T

References · 3

• 🔥 https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-30.wan0-ipv6-cm-mac.txt · Exploit
• https://osv.dev/vulnerability/CVE-2017-9487 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-9487 · Security Note