CVE-2017-9483: cisco dpc3939_firmware OS Command Injection
CVSS: 10.0v2.0HighModified
Published 31-07-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-9483 is a high (CVSS 10.0) OS Command Injection vulnerability in cisco dpc3939_firmware. EPSS estimates a 1.87% chance of exploitation in the next 30 days, higher than 79.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
10.0/10
010
High · v2.0 (NVD)EPSS score
1.87%
0%100%
Low · +0.15 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 Network Processor (NP) Linux users to obtain root access to the Application Processor (AP) Linux system via shell metacharacters in commands.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 10.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
1.87%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
+0.15 pp
From 1.71% on 21-09-2026
21-09-202621-10-2026
EPSS score1.87%
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