CVE-2021-21750 json
ZTE BigVideo Analysis product has a privilege escalation vulnerability.
published 2021-12-27 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8922
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 26%
- public exploits
- 0
- none known
Summary
ZTE BigVideo Analysis product has a privilege escalation vulnerability. Due to improper management of the timed task modification privilege, an attacker with ordinary user permissions could exploit this vulnerability to gain unauthorized access.
Exploit prediction
0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- n/a ZXIN10 CMS
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
Sources
- CVE List CVE-2021-21750
- NVD CVE-2021-21750
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