A vulnerability in the Common Open Policy Service (COPS) of Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to cause resource exhaustion, resulting in a denial of service (DoS) condition. This vulnerability is due to a deadlock condition in the code when processing COPS packets under certain conditions. An attacker could exploit this vulnerability by sending COPS packets with high burst rates to an affected device. A successful exploit could allow the attacker to cause the CPU to consume excessive resources, which prevents other control plane processes from obtaining resources and results in a DoS.
References
| Link | Resource |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cbr8-cops-Vc2ZsJSx | Patch Vendor Advisory |
Configurations
Configuration 1 (hide)
| AND |
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History
23 Nov 2021, 13:10
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:cisco:ios_xe:17.3.1x:*:*:*:*:*:*:* |
cpe:2.3:o:cisco:ios_xe:17.3.1x:*:*:*:*:*:*:* cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* |
30 Sep 2021, 15:49
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-667 | |
| CVSS |
v2 : v3 : |
v2 : 4.3
v3 : 8.6 |
| References | (CISCO) https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cbr8-cops-Vc2ZsJSx - Patch, Vendor Advisory | |
| CPE | cpe:2.3:a:cisco:ios_xe:17.3.1x:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_901-6cz-fs-a:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_901-6cz-f-d:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_901-4c-ft-d:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_901-6cz-ft-d:-:*:*:*:*:*:*:* cpe:2.3:a:cisco:ios_xe:*:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_901-4c-f-d:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_901-6cz-fs-d:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:cbr-8:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_901-12c-f-d:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_901-6cz-f-a:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_901-12c-ft-d:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:asr_901-6cz-ft-a:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:7600_router:-:*:*:*:*:*:*:* |
23 Sep 2021, 03:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2021-09-23 03:15
Updated : 2023-12-10 14:09
NVD link : CVE-2021-1622
Mitre link : CVE-2021-1622
CVE.ORG link : CVE-2021-1622
JSON object : View
Products Affected
cisco
- asr_901-6cz-ft-a
- 7600_router
- ios_xe
- asr_901-6cz-f-d
- asr_901-6cz-f-a
- asr_901-6cz-fs-d
- asr_901-6cz-ft-d
- asr_901-12c-f-d
- asr_901-4c-f-d
- cbr-8
- asr_901-6cz-fs-a
- asr_901-4c-ft-d
- asr_901-12c-ft-d