CVE-2021-40616 json
Incorrect Authorization in thinkcmf
published 2022-06-14 4 y ago modified 2026-06-17 4 mo ago also GHSA-v25c-8349-v2q3 , EUVD-2022-6158
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
thinkcmf v5.1.7 has an unauthorized vulnerability. The attacker can modify the password of the administrator account with id 1 through the background user management group permissions. The use condition is that the background user management group authority is required.
Patch / fix
- packagist thinkcmf/thinkcmf 6.0.0
Exploit prediction
0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/thinkcmf/thinkcmf/issues/722 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | thinkcmf/thinkcmf | <6.0.0 |
6.0.0 |
Classification
References
-
github.com
/thinkcmf/thinkcmf/issues/722
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-40616
advisory
-
github.com
/thinkcmf/thinkcmf
package
Sources
- CVE List CVE-2021-40616
- GitHub Advisory GHSA-v25c-8349-v2q3
- NVD CVE-2021-40616
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.