CVE-2021-41823
CVE-2021-41823 is a medium-severity vulnerability in Kemptechnologies Web Application Firewall with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- EPSS exploit prediction: 0% (39th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Kemptechnologies Web Application Firewall
- Published:
- Last modified:
Description
The Web Application Firewall (WAF) in Kemp LoadMaster 7.2.54.1 allows certain uses of onmouseover to bypass an XSS protection mechanism.
Frequently asked questions
- What is 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.
- How severe is CVE-2021-41823?
- CVE-2021-41823 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-41823 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-41823?
- CVE-2021-41823 affects Kemptechnologies Web Application Firewall. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-41823?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-41823 published?
- CVE-2021-41823 was published on 2023-01-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:kemptechnologies:web_application_firewall:7.2.54.1:*:*:*:*:*:*:*
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