CVE-2021-40413 — HIGH (7.1)

Vulnerability Description

An incorrect default permission vulnerability exists in the cgiserver.cgi cgi_check_ability functionality of reolink RLC-410W v3.0.0.136_20121102. The UpgradePrepare is the API that checks if a provided filename identifies a new version of the RLC-410W firmware. If the version is new, it would be possible, allegedly, to later on perform the Upgrade. An attacker can send an HTTP request to trigger this vulnerability.

CVSS Score

7.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

HIGH

Affected Products

Vendor	Product	Versions
Reolink	Rlc-410W Firmware	3.0.0.136_20121102
Reolink	Rlc-410W	-

Related Weaknesses (CWE)

CWE-284 CWE-276

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1425ExploitTechnical DescriptionThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1425ExploitTechnical DescriptionThird Party Advisory

FAQ

What is CVE-2021-40413?

CVE-2021-40413 is a vulnerability with a CVSS score of 7.1 (HIGH). An incorrect default permission vulnerability exists in the cgiserver.cgi cgi_check_ability functionality of reolink RLC-410W v3.0.0.136_20121102. The UpgradePrepare is the API that checks if a provid...

How severe is CVE-2021-40413?

CVE-2021-40413 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-40413?

Check the references section above for vendor advisories and patch information. Affected products include: Reolink Rlc-410W Firmware, Reolink Rlc-410W.