CVE-2021-21751 json
ZTE BigVideo analysis product has an input verification vulnerability.
published 2021-12-27 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8923
- cvss
- 8.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
ZTE BigVideo analysis product has an input verification vulnerability. Due to the inconsistency between the front and back verifications when configuring the large screen page, an attacker with high privileges could exploit this vulnerability to tamper with the URL and cause service exception.
Exploit prediction
0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
| NVD | 2.0 | 5.5 | AV:N/AC:L/Au:S/C:N/I:P/A:P |
Affected products
- n/a ZXIN10 CMS
References
Sources
- CVE List CVE-2021-21751
- NVD CVE-2021-21751
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.