CVE-2023-20051

A vulnerability in the Vector Packet Processor (VPP) of Cisco Packet Data Network Gateway (PGW) could allow an unauthenticated, remote attacker to stop ICMP traffic from being processed over an IPsec connection. This vulnerability is due to the VPP improperly handling a malformed packet. An attacker could exploit this vulnerability by sending a malformed Encapsulating Security Payload (ESP) packet over an IPsec connection. A successful exploit could allow the attacker to stop ICMP traffic over an IPsec connection and cause a denial of service (DoS).

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cisco-pdng-dos-KmzwEy2Q	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:cisco:packet_data_network_gateway:*:*:*:*:*:*:*:*

OR	cpe:2.3:h:cisco:asr_5000:-:::::::*
	cpe:2.3:h:cisco:asr_5500:-:::::::*
	cpe:2.3:h:cisco:asr_5700:-:::::::*

History

No history.

Information

Published : 2023-04-05 17:15

Updated : 2024-02-28 20:13

NVD link : CVE-2023-20051

Mitre link : CVE-2023-20051

CVE.ORG link : CVE-2023-20051

JSON object : View

Products Affected

cisco

asr_5000
asr_5700
packet_data_network_gateway
asr_5500

CWE

NVD-CWE-noinfo CWE-400

Uncontrolled Resource Consumption

{"id": "CVE-2023-20051", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "ykramarz@cisco.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2023-04-05T17:15:07.530", "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cisco-pdng-dos-KmzwEy2Q", "tags": ["Vendor Advisory"], "source": "ykramarz@cisco.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "ykramarz@cisco.com", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the Vector Packet Processor (VPP) of Cisco Packet Data Network Gateway (PGW) could allow an unauthenticated, remote attacker to stop ICMP traffic from being processed over an IPsec connection. This vulnerability is due to the VPP improperly handling a malformed packet. An attacker could exploit this vulnerability by sending a malformed Encapsulating Security Payload (ESP) packet over an IPsec connection. A successful exploit could allow the attacker to stop ICMP traffic over an IPsec connection and cause a denial of service (DoS)."}], "lastModified": "2023-11-07T04:05:52.150", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cisco:packet_data_network_gateway:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "552C22E2-0330-4A5B-B2C3-861A7BBE3CCD", "versionEndExcluding": "21.28.0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:cisco:asr_5000:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "746254AC-B039-432C-AA5C-A82260E57AD7"}, {"criteria": "cpe:2.3:h:cisco:asr_5500:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "301681DF-2A9E-4A91-9918-4A46153ADC01"}, {"criteria": "cpe:2.3:h:cisco:asr_5700:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A9EF0299-16A7-446D-855D-BFF91EE65534"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "ykramarz@cisco.com"}