CVE-2021-21407 json
Portal : the CSRF token isn't validated
published 2021-07-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8700
- cvss
- 8.0
- version 3.1, CNA
- 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
Combodo iTop is an open source, web based IT Service Management tool. Prior to version 2.7.4, the CSRF token validation can be bypassed through iTop portal via a tricky browser procedure. The vulnerability is patched in version 2.7.4 and 3.0.0.
Patch / fix
- combodo itop 2.7.4
Exploit prediction
0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- Combodo iTop
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
github.com
/Combodo/iTop/security/advisories/GHSA-9wq8-4qm9-3j6f
third-party-advisory
Sources
- CVE List CVE-2021-21407
- NVD CVE-2021-21407
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