Cisco IOS XE Wireless Controller CAPWAP null pointer dereference

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

Summaryinfo

A vulnerability classified as problematic was found in Cisco IOS XE Wireless Controller. This vulnerability affects unknown code of the component CAPWAP Handler. The manipulation results in null pointer dereference. This vulnerability is reported as CVE-2022-20682. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Cisco IOS XE Wireless Controller (Router Operating System) (version unknown). Affected is an unknown function of the component CAPWAP Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability.

The weakness was disclosed 04/15/2022 as cisco-sa-c9800-capwap-mdns-6PSn7gKU. The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2022-20682 since 11/02/2021. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: Null pointer dereference
CWE: CWE-476 / 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-c9800-capwap-mdns-6PSn7gKU
Status: Confirmed

CVE: CVE-2022-20682 (🔍)
GCVE (CVE): GCVE-0-2022-20682
GCVE (VulDB): GCVE-100-197442
scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 04/15/2022 18:36
Updated: 04/20/2022 16:26
Changes: 04/15/2022 18:36 (49), 04/20/2022 16:26 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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