Executive Summary
This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
| Summary | |
|---|---|
| Title | Cisco Discovery Protocol (CDP) enabled devices are vulnerable to denial-of-service and remote code execution |
| Informations | |||
|---|---|---|---|
| Name | VU#261385 | First vendor Publication | 2020-02-12 |
| Vendor | VU-CERT | Last vendor Modification | 2020-02-12 |
| Severity (Vendor) | N/A | Revision | M |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 8.8 | ||
| Base Score | 8.8 | Environmental Score | 8.8 |
| impact SubScore | 5.9 | Temporal Score | 8.8 |
| Exploitabality Sub Score | 2.8 | ||
| Attack Vector | Adjacent | Attack Complexity | Low |
| Privileges Required | None | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | High |
| Integrity Impact | High | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:A/AC:L/Au:N/C:C/I:C/A:C) | |||
|---|---|---|---|
| Cvss Base Score | 8.3 | Attack Range | Adjacent network |
| Cvss Impact Score | 10 | Attack Complexity | Low |
| Cvss Expoit Score | 6.5 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| CVE-2020-3110 Cisco's Video Surveillance 8000 Series IP cameras with CDP enabled are vulnerable to a heap overflow in the parsing of DeviceID type-length-value(TLV). The CVSS score reflected below is in regards to this vulnerability. CVE-2020-3111 Cisco Voice over Internet Protocol(VoIP)phones with CDP enabled are vulnerable to a stack overflow in the parsing of PortID type-length-value(TLV). CVE-2020-3118 Cisco's CDP subsystem of devices running,or based on,Cisco IOS XR Software are vulnerable to improper validation of string input from certain fields within a CDP message that could lead to a stack overflow. CVE-2020-3119 Cisco's CDP subsystem of devices running,or based on,Cisco NX-OS Software is vulnerable to a stack buffer overflow and arbitrary write in the parsing of Power over Ethernet(PoE)type-length-value(TLV). CVE-2020-3120 Cisco's CDP subsystem of devices running,or based on,Cisco NX-OS,IOS XR,and FXOS Software are vulnerable to a resource exhaustion denial-of-service condition. |
Original Source
| Url : https://kb.cert.org/vuls/id/261385 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 40 % | CWE-787 | Out-of-bounds Write (CWE/SANS Top 25) |
| 40 % | CWE-20 | Improper Input Validation |
| 20 % | CWE-190 | Integer Overflow or Wraparound (CWE/SANS Top 25) |
CPE : Common Platform Enumeration
Alert History
| Date | Informations |
|---|---|
| 2020-05-23 13:15:42 |
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