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CVE-2017-9491

MEDIUM
5.3
CVSS Score
Published: July 31, 2017 at 03:00 AM UTC
Updated: June 17, 2026 at 01:28 AM UTC
6 products affected across 2 vendorsArris TG1682G FirmwareDPC3941T FirmwareDpc3939

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Severity
MEDIUM5.3
Exploit prediction
EPSS 1%

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 set the secure flag for cookies in an https session to an administration application, which makes it easier for remote attackers to capture these cookies by intercepting their transmission within an http session.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

DPC3941T Firmware· Cisco
95%
dpc3941_2.5s3_prod_sey
cisco-dpc3941t (same device)
Arris TG1682G Firmware· Commscope
95%
10.0.132.sip.pc20.cttg1682_2.2p7s2_prod_sey
commscope-arris-tg1682g (same device)
Dpc3939· Ciscodevice
80%
All versions
Dpc3939B· Ciscodevice
80%
All versions
Dpc3941T· Ciscodevice
80%
All versions
Arris Tg1682G· Commscopedevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCMitigationThird Party Advisory
Source: [email protected]
https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-35.improper-cookie-flags.txt

CVSS

5.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200

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