VDB-252976 · CVE-2023-43520 · GCVE-0-2023-43520

Qualcomm 8 Gen 2 Mobile Platform AP Handler memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.5	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Qualcomm 8 Gen 2 Mobile Platform, 8+ Gen 2 Mobile Platform, AR2 Gen 1 Platform, AR8035, FastConnect 6900, FastConnect 7800, Flight RB5 5G Platform, QAM8255P, QAM8650P, QAM8775P, QAMSRV1H, QAMSRV1M, QCA6391, QCA6554A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584AU, QCA6595, QCA6595AU, QCA6688AQ, QCA6696, QCA8081, QCA8337, QCC710, QCC2073, QCC2076, QCM8550, QCN6224, QCN6274, QCS7230, QCS8250, QCS8550, QFW7114, QFW7124, QRB5165N, Qualcomm Video Collaboration VC5 Platform, Robotics RB5 Platform, SA6145P, SA6150P, SA6155P, SA8145P, SA8150P, SA8155P, SA8195P, SA8255P, SA8650P, SA8770P, SA8775P, SA9000P, SM8550P, SRV1H, SRV1M, SSG2115P, SSG2125P, SXR1230P, SXR2230P, WCD9340, WCD9380, WCD9385, WCD9390, WCD9395, WSA8830, WSA8832, WSA8835, WSA8840, WSA8845, WSA8845H and X75 5G Modem-RF System. This impacts an unknown function of the component AP Handler. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2023-43520. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Qualcomm 8 Gen 2 Mobile Platform, 8+ Gen 2 Mobile Platform, AR2 Gen 1 Platform, AR8035, FastConnect 6900, FastConnect 7800, Flight RB5 5G Platform, QAM8255P, QAM8650P, QAM8775P, QAMSRV1H, QAMSRV1M, QCA6391, QCA6554A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584AU, QCA6595, QCA6595AU, QCA6688AQ, QCA6696, QCA8081, QCA8337, QCC710, QCC2073, QCC2076, QCM8550, QCN6224, QCN6274, QCS7230, QCS8250, QCS8550, QFW7114, QFW7124, QRB5165N, Qualcomm Video Collaboration VC5 Platform, Robotics RB5 Platform, SA6145P, SA6150P, SA6155P, SA8145P, SA8150P, SA8155P, SA8195P, SA8255P, SA8650P, SA8770P, SA8775P, SA9000P, SM8550P, SRV1H, SRV1M, SSG2115P, SSG2125P, SXR1230P, SXR2230P, WCD9340, WCD9380, WCD9385, WCD9390, WCD9395, WSA8830, WSA8832, WSA8835, WSA8840, WSA8845, WSA8845H and X75 5G Modem-RF System (Groupware Software) and classified as critical. This vulnerability affects an unknown part of the component AP Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Memory corruption when AP includes TID to link mapping IE in the beacons and STA is parsing the beacon TID to link mapping IE.

The weakness was released 02/06/2024. The advisory is shared for download at qualcomm.com. This vulnerability was named CVE-2023-43520 since 09/19/2023. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Groupware Software

Vendor

Qualcomm

Name

License

commercial

Website

Vendor: https://www.qualcomm.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 8.6
CNA Vector (Qualcomm, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/19/2023 🔍
02/06/2024 +140 days 🔍
02/06/2024 +0 days 🔍
08/07/2025 +548 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: qualcomm.com
Status: Confirmed

CVE: CVE-2023-43520 (🔍)
GCVE (CVE): GCVE-0-2023-43520
GCVE (VulDB): GCVE-100-252976

Entryinfo

Created: 02/06/2024 08:49
Updated: 08/07/2025 17:15
Changes: 02/06/2024 08:49 (49), 02/29/2024 17:58 (11), 08/07/2025 17:15 (16)
Complete: 🔍
Cache ID: 216::103