CVE-2007-4291
Status: ModifiedHigh (7.1)—
Severity7.1High · CVSS 2.0
Exploitation probability3.16 %higher than 88% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found
Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a malformed MGCP packet, which causes a device hang, aka CSCsf08998; a malformed H.323 packet, which causes a device crash, as identified by (2) CSCsi60004 with Proxy Unregistration and (3) CSCsg70474; and a malformed Real-time Transport Protocol (RTP) packet, which causes a device crash, as identified by (4) CSCse68138, related to VOIP RTP Lib, and (5) CSCse05642, related to I/O memory corruption.
CVSS
- Base score
- 7.1
- Version
- 2.0
- Vector
- AV:N/AC:M/Au:N/C:N/I:N/A:C
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days
- 3.16 %
- Percentile among all scored CVEs
- 88
- Score date
- 10/22/2026
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)
CWEs
- NVD-CWE-Other
References
Show 28 references
- http://osvdb.org/36677
- http://osvdb.org/36678
- http://osvdb.org/36679
- http://osvdb.org/36680
- http://osvdb.org/36681
- http://secunia.com/advisories/26363
- http://securitytracker.com/id?1018533
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080899653.shtml
- http://www.securityfocus.com/bid/25239
- http://www.vupen.com/english/advisories/2007/2816
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35903
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35904
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35905
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5570
- http://osvdb.org/36677
- http://osvdb.org/36678
- http://osvdb.org/36679
- http://osvdb.org/36680
- http://osvdb.org/36681
- http://secunia.com/advisories/26363
- http://securitytracker.com/id?1018533
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080899653.shtml
- http://www.securityfocus.com/bid/25239
- http://www.vupen.com/english/advisories/2007/2816
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35903
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35904
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35905
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5570
Raw JSON (NVD)
Show
{
"id": "CVE-2007-4291",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
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"version": "2.0",
"baseScore": 7.1,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 6.9,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"affected": [
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"affectedData": [
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],
"published": "2007-08-09T21:17:00.000",
"references": [
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{
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{
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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{
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{
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"tags": [
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{
"url": "http://securitytracker.com/id?1018533",
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{
"url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080899653.shtml",
"source": "af854a3a-2127-422b-91ae-364da2661108"
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{
"url": "http://www.securityfocus.com/bid/25239",
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{
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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{
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{
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{
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"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a malformed MGCP packet, which causes a device hang, aka CSCsf08998; a malformed H.323 packet, which causes a device crash, as identified by (2) CSCsi60004 with Proxy Unregistration and (3) CSCsg70474; and a malformed Real-time Transport Protocol (RTP) packet, which causes a device crash, as identified by (4) CSCse68138, related to VOIP RTP Lib, and (5) CSCse05642, related to I/O memory corruption."
},
{
"lang": "es",
"value": "Cisco IOS 12.0 hasta 12.4 permite a atacantes remotos provocar una denegación de servicio mediante (1) un paquete MGCP mal formado, que provoca un cuelgue de dispositivo, también conocido como CSCsf08998; un paquete H.323 mal formado que causa una caída de dispositivo, como se identificó en (2) CSCsi60004 con Proxy Unregistration y (3) CSCsg70474; y un paquete Real-time Transport Protocol (RTP) mal formado, que provoca una caída de dispositivo, como se identificó en (4) CSCse68138, relativo a VOIP RTP Lib, y (5) CSCse05642, relativo a corrupción de memoria de E/S."
}
],
"lastModified": "2026-06-16T22:43:45.370",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"criteria": "cpe:2.3:o:cisco:ios:12.0:*:*:*:*:*:*:*",
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{
"criteria": "cpe:2.3:o:cisco:ios:12.1:*:*:*:*:*:*:*",
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"matchCriteriaId": "1F2F9EC5-EDA2-4C99-BBF1-2F2C92AACE95"
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"operator": "OR"
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"sourceIdentifier": "cve@mitre.org"
}