Cisco IOS XE NETCONF over SSH resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS XE. It has been rated as problematic. Affected is an unknown function of the component NETCONF over SSH. This manipulation causes resource consumption. The identification of this vulnerability is CVE-2022-20692. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco IOS XE (Router Operating System) (version unknown). It has been declared as critical. Affected by this vulnerability is an unknown function of the component NETCONF over SSH. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability.

The weakness was shared 04/15/2022 as cisco-sa-ncossh-dos-ZAkfOdq8. The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2022-20692 since 11/02/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.7
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/02/2021 🔍
04/15/2022 +163 days 🔍
04/15/2022 +0 days 🔍
04/20/2022 +5 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-ncossh-dos-ZAkfOdq8
Status: Confirmed

CVE: CVE-2022-20692 (🔍)
GCVE (CVE): GCVE-0-2022-20692
GCVE (VulDB): GCVE-100-197449
scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 04/15/2022 18:47
Updated: 04/20/2022 18:02
Changes: 04/15/2022 18:47 (39), 04/20/2022 17:55 (1), 04/20/2022 18:02 (12)
Complete: 🔍
Cache ID: 216::103

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