Information disclosure in Cisco Dpc3939

CVE-2017-9487

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) and DPC3941T (firmware version DPC3941_2.5s3_PROD_sey) devices allows remote attackers to discover a WAN IPv6 IP address by leveraging knowledge of the CM MAC address.

Vulnerability class: Information Disclosure

EPSS: 0.012 (64.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-9487?
CVE-2017-9487 is a medium-severity vulnerability in Cisco Dpc3939, classified under Information Disclosure. CVSS score: 5.9/10. Published 2017-07-31.
How severe is CVE-2017-9487?
Medium severity. CVSS v3 base score is 5.9 out of 10.