CVE-2021-20119: commscope arris_surfboard_sb8200_firmware Incorrect Authorization
CVSS: 7.1v3.1HighModified
Published 09-11-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-20119 is a high (CVSS 7.1) Incorrect Authorization vulnerability in commscope arris_surfboard_sb8200_firmware. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.1/10
010
High · v3.1 (NVD)EPSS score
0.46%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 09-11-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The password change utility for the Arris SurfBoard SB8200 can have safety measures bypassed that allow any logged-in user to change the administrator password.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.1Preferred score · NVD (NIST)
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
Medium 4.9Preferred score · NVD (NIST)
AV:A/AC:M/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
0.00 pp
From 0.46% on 20-09-2026
20-09-202620-10-2026
EPSS score0.46%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (tenable.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Commscope1 product
- arris_surfboard_sb8200_firmwareab01.02.053.01_112320_193.0a.nsh
1 vendor · 1 product