FKIE_CVE-2021-41823

Vulnerability from fkie_nvd - Published: 2023-01-01 06:15 - Updated: 2025-04-11 15:15
Severity ?
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
The Web Application Firewall (WAF) in Kemp LoadMaster 7.2.54.1 allows certain uses of onmouseover to bypass an XSS protection mechanism.
References
cve@mitre.orghttps://pastebin.com/kpx9NvbfExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://pastebin.com/kpx9NvbfExploit, Third Party Advisory
Impacted products
Vendor Product Version
kemptechnologies web_application_firewall 7.2.54.1
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:kemptechnologies:web_application_firewall:7.2.54.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "4DD9DCB9-4D6C-4B55-8E92-646CCD9BD1CC",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Web Application Firewall (WAF) in Kemp LoadMaster 7.2.54.1 allows certain uses of onmouseover to bypass an XSS protection mechanism."
    },
    {
      "lang": "es",
      "value": "El firewall de aplicaciones web (WAF) en Kemp LoadMaster 7.2.54.1 permite ciertos usos de onmouseover para evitar un mecanismo de protecci\u00f3n XSS."
    }
  ],
  "id": "CVE-2021-41823",
  "lastModified": "2025-04-11T15:15:39.270",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
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        "type": "Secondary"
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  "published": "2023-01-01T06:15:09.283",
  "references": [
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      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://pastebin.com/kpx9Nvbf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://pastebin.com/kpx9Nvbf"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
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          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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