CVE-2021-40415 Missing authorization in n/a

What is CVE-2021-40415?

CVE-2021-40415 is a high-severity missing authorization vulnerability in Reolink Rlc-410w Firmware, published on 28 Jan 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An incorrect default permission vulnerability exists in the cgiserver.cgi cgi_check_ability functionality of reolink RLC-410W v3.0.0.136_20121102. In cgi_check_ability the Format API does not have a specific case, the user permission will default to 7. This will give non-administrative users the possibility to format the SD card and reboot the device.

Weakness: CWE-276, CWE-284

Which versions are affected by CVE-2021-40415?

It affects 1 product.

Products include Reolink Rlc-410w Firmware.

How do I fix CVE-2021-40415?

No fix has been published for CVE-2021-40415 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-40415 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-40415 exists.

Other vulnerabilities in Reolink Rlc-410w Firmware

• CVE-2021-40407 Reolink RLC-410W IP Camera OS Command Injection Vulnerability Exploited Critical 9.1
• CVE-2021-40419 Other in n/a Critical 10.0
• CVE-2022-21796 Memory corruption in n/a Critical 9.3
• CVE-2021-40408 Command injection in n/a Critical 9.1
• CVE-2021-40409 Command injection in n/a Critical 9.1

All Reolink Rlc-410w Firmware vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-fv9v-2855-83mf.