High severity · published Jan 28, 2022
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
7.1
CVSS
0.8%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
Rlc-410w Firmware · Reolink
3.0.0.136_20121102 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40413
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40413
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1425
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