CVE-2003-0305

Status: ModifiedMedium (5)—
Severity5Medium · CVSS 2.0
Exploitation probability1.29 %higher than 70% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found
The Service Assurance Agent (SAA) in Cisco IOS 12.0 through 12.2, aka Response Time Reporter (RTR), allows remote attackers to cause a denial of service (crash) via malformed RTR packets to port 1967.
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: 1.29 %
Percentile among all scored CVEs: 70
Score date: 10/23/2026
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 — IOS
CWEs

NVD-CWE-Other
References

Show 4 references
Raw JSON (NVD)

Show
{
  "id": "CVE-2003-0305",
  "cveTags": [],
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        "source": "nvd@nist.gov",
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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,
        "exploitabilityScore": 10,
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        "obtainOtherPrivilege": false,
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      "affectedData": [
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          "product": "n/a",
          "versions": [
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              "version": "n/a"
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  "published": "2003-06-09T04:00:00.000",
  "references": [
    {
      "url": "http://www.cisco.com/warp/public/707/cisco-sa-20030515-saa.shtml",
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        "Vendor Advisory"
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      "tags": [
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        "Vendor Advisory"
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      "value": "The Service Assurance Agent (SAA) in Cisco IOS 12.0 through 12.2, aka Response Time Reporter (RTR), allows remote attackers to cause a denial of service (crash) via malformed RTR packets to port 1967."
    },
    {
      "lang": "es",
      "value": "El Service Assurance Agent (SAA) en Cisco IOS 12.0 hasta 12.2, también llamado Reponse Time Reporter (RTR), permite que atacantes remotos provoquen una denegación de servicio (caída) mediante paquetes RTR mal construidos para el puerto 1967."
    }
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}