CVE-2021-40616 Incorrect Authorization in thinkcmf
An attacker with background user management group permissions can modify the administrator password, leading to full account takeover.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-40616?
CVE-2021-40616 is a medium-severity missing authorization vulnerability in n/a, published on 14 Jun 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-425
Which versions are affected by CVE-2021-40616?
2 open source packages ship an affected version, including thinkcmf/thinkcmf. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
thinkcmf/thinkcmf Packagist | All versions | 6.0.0 |
thinkcmf/thinkcmf Packagist | All versions | 6.0.0 |
Products include Thinkcmf Thinkcmf.
How do I fix CVE-2021-40616?
Upgrade thinkcmf/thinkcmf to 6.0.0 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-40616 being exploited?
There is no known exploitation of CVE-2021-40616 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-v25c-8349-v2q3.