CVE-2021-20119 json
The password change utility for the Arris SurfBoard SB8200 can have safety measures bypassed that allow any logged-in user to change the ad…
published 2021-11-09 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-7576
- cvss
- 7.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- tenable.com https://www.tenable.com/security/research/tra-2021-49 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.1 | CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.9 | AV:A/AC:M/Au:S/C:P/I:P/A:P |
Affected products
- n/a Arris SurfBoard SB8200
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
tenable.com
/security/research/tra-2021-49
exploit, third-party-advisory
Sources
- CVE List CVE-2021-20119
- NVD CVE-2021-20119
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.