CVE-2017-9480: cisco dpc3939_firmware
CVSS: 5.5v3.0MediumModified
Published 31-07-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-9480 is a medium (CVSS 5.5) vulnerability in cisco dpc3939_firmware. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.0 (NVD)EPSS score
0.40%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 31-07-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows local users (e.g., users who have command access as a consequence of CVE-2017-9479 exploitation) to read arbitrary files via UPnP access to /var/IGD/.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
0.00 pp
From 0.40% on 21-09-2026
21-09-202621-10-2026
EPSS score0.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCabletap
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Cisco1 product
- dpc3939_firmwaredpc3939-p20-18-v303r20421746-170221a-cmcst
1 vendor · 1 product
References
1 links- github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-23.upnp-directory-write.txtX Refsource MISCExploitThird Party Advisory