CVE-2017-9492

HIGH

Cisco and Commscope Cable Modems - Information Disclosure

Title source: llm

Description

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST); Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST); Cisco DPC3939B (firmware version dpc3939b-v303r204217-150321a-CMCST); Cisco DPC3941T (firmware version DPC3941_2.5s3_PROD_sey); and Arris TG1682G (eMTA&DOCSIS version 10.0.132.SIP.PC20.CT, software version TG1682_2.2p7s2_PROD_sey) devices does not include the HTTPOnly flag in a Set-Cookie header for administration applications, which makes it easier for remote attackers to obtain potentially sensitive information via script access to cookies.

References (1)

Core 1

Core References

Mitigation, Third Party Advisory x_refsource_misc

https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-35.improper-cookie-flags.txt

View Writeup ZIP pw:eip

Scores

CVSS v3 7.5

EPSS 0.0034

EPSS Percentile 56.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE

CWE-200

Status published

Products (6)

cisco/dpc3939_firmware dpc3939-p20-18-v303r20421733-160420a-cmcst

cisco/dpc3939_firmware dpc3939-p20-18-v303r20421746-170221a-cmcst

cisco/dpc3939b_firmware dpc3939b-v303r204217-150321a-cmcst

cisco/dpc3941t_firmware dpc3941_2.5s3_prod_sey

commscope/arris_tg1682g_firmware 10.0.132.sip.pc20.ct

commscope/arris_tg1682g_firmware tg1682_2.2p7s2_prod_sey

Published Jul 31, 2017

Tracked Since Feb 18, 2026