CVE-2003-0511

Status: ModifiedMedium (5)—Exploit

Severity5Medium · CVSS 2.0

Exploitation probability9.04 %higher than 95% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitAvailablePublished on Exploit-DB

The web server for Cisco Aironet AP1x00 Series Wireless devices running certain versions of IOS 12.2 allow remote attackers to cause a denial of service (reload) via a malformed URL.

CVSS

Base score: 5
Version: 2.0
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 9.04 %
Percentile among all scored CVEs: 95
Score date: 10/20/2026

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).

Public exploits

Exploit code or detection templates are publicly available. This is not the same as confirmed active exploitation (KEV), but it raises the risk: patch with priority.

Published on Exploit-DB · Cisco Aironet AP1x00 - GET Denial of Service (7/28/2003)

Affected technologies (1)

Cisco — IOS

CWEs

NVD-CWE-Other

References

Show 8 references

Raw JSON (NVD)

Show

{
  "id": "CVE-2003-0511",
  "cveTags": [],
  "metrics": {
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
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  ],
  "published": "2003-08-27T04:00:00.000",
  "references": [
    {
      "url": "http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0055.html",
      "tags": [
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    },
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      "source": "cve@mitre.org"
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  "vulnStatus": "Modified",
  "weaknesses": [
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  "descriptions": [
    {
      "lang": "en",
      "value": "The web server for Cisco Aironet AP1x00 Series Wireless devices running certain versions of IOS 12.2 allow remote attackers to cause a denial of service (reload) via a malformed URL."
    },
    {
      "lang": "es",
      "value": "El servidor web de dispostivos inalámbiricos Cisco Aironet AP1x00 Series corriendo ciertos versiones de IOS 12.2 permite a atacantes remotos causar una denegación de servicio (recarga) mediante una URL malformada."
    }
  ],
  "lastModified": "2026-06-16T22:02:20.520",
  "configurations": [
    {
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}