CVE-2021-37417 json
Zoho ManageEngine ADSelfService Plus version 6103 and prior allows CAPTCHA bypass due to improper parameter validation.
published 2021-08-30 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23982
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.8%
- EPSS 4.8% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
Zoho ManageEngine ADSelfService Plus version 6103 and prior allows CAPTCHA bypass due to improper parameter validation.
Patch / fix
- zohocorp manageengine_adselfservice_plus 6.1
Exploit prediction
4.75% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
blog.stmcyber.com
/vulns/cve-2021-37417/
release-notes, third-party-advisory
Sources
- CVE List CVE-2021-37417
- NVD CVE-2021-37417
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