Cisco IOS XE AppNav-XE denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS XE. It has been classified as problematic. This affects an unknown function of the component AppNav-XE. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2022-20678. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cisco IOS XE (Router Operating System) (unknown version) and classified as critical. This issue affects an unknown code block of the component AppNav-XE. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was disclosed 04/15/2022 as cisco-sa-appnav-xe-dos-j5MXTR4. It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2022-20678 since 11/02/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

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: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.6
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: Denial of service
CWE: 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-appnav-xe-dos-j5MXTR4
Status: Confirmed

CVE: CVE-2022-20678 (🔍)
GCVE (CVE): GCVE-0-2022-20678
GCVE (VulDB): GCVE-100-197447
scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 04/15/2022 18:44
Updated: 04/20/2022 17:32
Changes: 04/15/2022 18:44 (39), 04/20/2022 17:25 (1), 04/20/2022 17:32 (12)
Complete: 🔍
Cache ID: 216::103

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