Cisco AireOS FIPS Mode out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco AireOS. It has been classified as critical. Affected is an unknown function of the component FIPS Mode. Performing a manipulation results in out-of-bounds write. This vulnerability was named CVE-2022-20769. The attack needs to be approached within the local network. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Cisco AireOS (Wireless LAN Software) (unknown version). This affects an unknown code block of the component FIPS Mode. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. The summary by CVE is:

A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient error validation. An attacker could exploit this vulnerability by sending crafted packets to an affected device. A successful exploit could allow the attacker to cause the wireless LAN controller to crash, resulting in a DoS condition. Note: This vulnerability affects only devices that have Federal Information Processing Standards (FIPS) mode enabled.

The weakness was presented 10/01/2022 as cisco-sa-wlc-dos-mKGRrsCB. The advisory is shared at tools.cisco.com. This vulnerability is uniquely identified as CVE-2022-20769 since 11/02/2021. Neither technical details nor an exploit are publicly available.

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: 6.8
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 6.5
NVD Vector: 🔍

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

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
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 🔍
10/01/2022 +332 days 🔍
10/01/2022 +0 days 🔍
10/29/2022 +28 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-wlc-dos-mKGRrsCB
Status: Confirmed

CVE: CVE-2022-20769 (🔍)
GCVE (CVE): GCVE-0-2022-20769
GCVE (VulDB): GCVE-100-210033

Entryinfo

Created: 10/01/2022 08:36
Updated: 10/29/2022 09:19
Changes: 10/01/2022 08:36 (50), 10/29/2022 09:19 (11)
Complete: 🔍
Cache ID: 216::103

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