Medium severity · published Jan 1, 2023
CVE-2021-41823
The Web Application Firewall (WAF) in Kemp LoadMaster 7.2.54.1 allows certain uses of onmouseover to bypass an XSS protection mechanism
6.1
CVSS
0.5%
EPSS
No
On KEV
Description
The Web Application Firewall (WAF) in Kemp LoadMaster 7.2.54.1 allows certain uses of onmouseover to bypass an XSS protection mechanism.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
Web Application Firewall · Kemptechnologies
7.2.54.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-41823
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-41823
Exploit
https://pastebin.com/kpx9Nvbf
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