CVE-2017-9485

high

Description

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to write arbitrary data to a known /var/tmp/sess_* pathname by leveraging the device's operation in UI dev mode.

References

https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-28.session-cookie-write.txt

https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-18417

Details

Source: Mitre, NVD

Published: 2017-07-31

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: High

EPSS

EPSS: 0.0117