| Vulnerability Name: | CVE-2021-1620 (CCN-209888) |
| Assigned: | 2020-09-21 |
| Published: | 2020-09-21 |
| Updated: | 2023-05-22 |
| Summary: | |
| CVSS v3 Severity: | 7.7 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)
6.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None | | Scope: | Scope (S): Changed
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): High |
7.7 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)
6.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None | | Scope: | Scope (S): Changed
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): High |
|
| CVSS v2 Severity: | 3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance | | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial |
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete |
|
| Vulnerability Consequences: | Denial of Service |
| References: | Source: MITRE
Type: CNA
CVE-2021-1620
Source: XF
Type: UNKNOWN
cisco-cve20211620-dos(209888)
Source: CCN
Type: Cisco Security Advisory cisco-sa-ikev2-ebFrwMPr
Cisco IOS and IOS XE Software IKEv2 AutoReconnect Feature Denial of Service Vulnerability
Source: ykramarz@cisco.com
Type: Patch, Vendor Advisory
ykramarz@cisco.com
|
| Vulnerable Configuration: | Configuration CCN 1:
cpe:/o:cisco:ios_software:*:*:*:*:*:*:*:*OR cpe:/o:cisco:ios_xe_software:*:*:*:*:*:*:*:*
 Denotes that component is vulnerable |
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