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
- Cisco Dpc3939
- Cisco Dpc3939_firmware — versions dpc3939-p20-18-v303r20421746-170221a-cmcst
- Cisco Dpc3941t
- Cisco Dpc3941t_firmware — versions dpc3941_2.5s3_prod_sey
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
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.