Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-34720 | First vendor Publication | 2021-09-09 |
| Vendor | Cve | Last vendor Modification | 2023-11-07 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 8.6 | ||
| Base Score | 8.6 | Environmental Score | 8.6 |
| impact SubScore | 4 | Temporal Score | 8.6 |
| Exploitabality Sub Score | 3.9 | ||
| Attack Vector | Network | Attack Complexity | Low |
| Privileges Required | None | User Interaction | None |
| Scope | Changed | Confidentiality Impact | None |
| Integrity Impact | None | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P) | |||
|---|---|---|---|
| Cvss Base Score | 4.3 | Attack Range | Network |
| Cvss Impact Score | 2.9 | Attack Complexity | Medium |
| Cvss Expoit Score | 8.6 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| A vulnerability in the IP Service Level Agreements (IP SLA) responder and Two-Way Active Measurement Protocol (TWAMP) features of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause device packet memory to become exhausted or cause the IP SLA process to crash, resulting in a denial of service (DoS) condition. This vulnerability exists because socket creation failures are mishandled during the IP SLA and TWAMP processes. An attacker could exploit this vulnerability by sending specific IP SLA or TWAMP packets to an affected device. A successful exploit could allow the attacker to exhaust the packet memory, which will impact other processes, such as routing protocols, or crash the IP SLA process. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34720 |
CPE : Common Platform Enumeration
Sources (Detail)
| Source | Url |
|---|---|
| CISCO | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s... |
Alert History
| Date | Informations |
|---|---|
| 2023-11-07 21:34:03 |
|
| 2023-09-20 02:12:41 |
|
| 2022-10-26 00:27:41 |
|
| 2022-05-05 01:58:11 |
|
| 2021-11-06 12:50:01 |
|
| 2021-09-22 21:23:22 |
|
| 2021-09-09 12:44:14 |
|
