CVE-2006-3226

Status: ModifiedHigh (7.5)—

Cisco Secure Access Control Server (ACS) 4.x for Windows uses the client's IP address and the server's port number to grant access to an HTTP server port for an administration session, which allows remote attackers to bypass authentication via various methods, aka "ACS Weak Session Management Vulnerability."

CVSS

Version: 2.0
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Base score: 7.5

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 2.39%
Percentile among all scored CVEs: 83
Score date: 10/6/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Cisco — Secure Access Control Server

CWEs

NVD-CWE-Other

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2006-3226",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": true,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
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      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2006-06-26T16:05:00.000",
  "references": [
    {
      "url": "http://secunia.com/advisories/20816",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securityreason.com/securityalert/1157",
      "source": "cve@mitre.org"
    },
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      "url": "http://securitytracker.com/id?1016369",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.cisco.com/en/US/products/sw/secursw/ps2086/tsd_products_security_response09186a00806c68f9.html",
      "tags": [
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      "source": "cve@mitre.org"
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    {
      "url": "http://www.osvdb.org/26825",
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    {
      "url": "http://www.securityfocus.com/archive/1/438161/100/0/threaded",
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    {
      "url": "http://www.securityfocus.com/archive/1/438258/100/0/threaded",
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    {
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    {
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    {
      "url": "http://www.securityfocus.com/bid/18621",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.vupen.com/english/advisories/2006/2524",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/27328",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cisco Secure Access Control Server (ACS) 4.x for Windows uses the client's IP address and the server's port number to grant access to an HTTP server port for an administration session, which allows remote attackers to bypass authentication via various methods, aka \"ACS Weak Session Management Vulnerability.\""
    },
    {
      "lang": "es",
      "value": "Cisco Secure Access Control Server (ACS) v4.x para Windows usa la dirección IP de cliente y el número de puerto del servidor para otorgar acceso al puerto HTTP server para una sesión de administración, lo que permite a atacantes remoso superar la autenticación a través de varios métodos, conocido como \"ACS Weak Session Management Vulnerability.\""
    }
  ],
  "lastModified": "2026-06-16T22:26:39.600",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            },
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              "matchCriteriaId": "85E5B98E-72EB-4AB5-BC55-4392D22B30BA"
            }
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          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}