CVE-2021-40413

HIGHCVSS 7.1/10EPSS 0.82%

Last modified

CVE-2021-40413 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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. EPSS estimates a 0.82% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.1/10

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

EPSS Probability
0.82%

52.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ReolinkRlc-410w Firmware3.0.0.136_20121102

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-40413?
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.
How severe is CVE-2021-40413?
CVE-2021-40413 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40413?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40413?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST