CVE-2017-9491
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 1.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.3% in the next 30 days (EPSS).
- Severity: 5.3 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.3% · EPSS, next 30 days
- Weakness
- CWE-200 · Information exposure
- Record status
- Modified
Affected
- 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
Attack profile CVSS 3.1 · 5.3
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-9491.md and follow it. Check whether this project is affected by CVE-2017-9491. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-35.improper-cookie-flags.txt
- https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-35.improper-cookie-flags.txt