CVE-2021-42336 json
Huachu Digital Technology Co.,Ltd. Easytest - Improper Authorization
published 2021-10-15 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-29310
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
The learning history page of the Easytest is vulnerable by permission bypass. After obtaining a user’s permission, remote attackers can access other users’ and administrator’s account information except password by crafting URL parameters.
Exploit prediction
0.84% 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 |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- Huachu Digital Technology Co.,Ltd. Easytest
Classification
- Weakness
-
- CWE-285 Improper Authorization
References
-
twcert.org.tw
/tw/cp-132-5205-1de5a-1.html
third-party-advisory
Sources
- CVE List CVE-2021-42336
- NVD CVE-2021-42336
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.