Cisco IOS XE Wireless Controller SNMP Trap integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco IOS XE Wireless Controller. Impacted is an unknown function of the component SNMP Trap Handler. Such manipulation leads to integer overflow. This vulnerability is traded as CVE-2022-20684. Access to the local network is required for this attack to succeed. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco IOS XE Wireless Controller (Router Operating System) (affected version not known). Affected by this issue is some unknown functionality of the component SNMP Trap Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is availability.

The weakness was shared 04/15/2022 as cisco-sa-c9800-snmp-trap-dos-mjent3Ey. The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2022-20684 since 11/02/2021. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/20/2022).

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: 6.9
VulDB Meta Temp Score: 6.8

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

CNA Base Score: 7.4
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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-snmp-trap-dos-mjent3Ey
Status: Confirmed

CVE: CVE-2022-20684 (🔍)
GCVE (CVE): GCVE-0-2022-20684
GCVE (VulDB): GCVE-100-197444
scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 04/15/2022 18:41
Updated: 04/20/2022 16:48
Changes: 04/15/2022 18:41 (39), 04/20/2022 16:41 (1), 04/20/2022 16:48 (12)
Complete: 🔍
Cache ID: 216::103

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