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01 Record

CVE-2023-43540

Buffer Copy Without Checking Size of Input in Bluetooth HOST

HighPUBLISHEDCNA: qualcomm
CNA base score8.4 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

02 Description

Buffer Copy Without Checking Size of Input in Bluetooth HOST

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.11% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 1.5% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2024-03-04 10:48Z2 YR AGO
Last updated
2024-08-02 19:44Z2 YR AGO
Reserved
2023-09-19
Assigning CNA
qualcomm
Record state
PUBLISHED
Severity
High (CVSS 8.4)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
  • CWE-787Out-of-bounds WriteBase
Data version
5.1
Document digest
8a7e07aa55eab623e4306e9d5975eac69c532b5b3101a707b291a54da0df4bf9

05 Affected products

VendorProductVersionsPlatforms
Qualcomm, Inc.SnapdragonAQT1000, FastConnect 6200, FastConnect 6700, FastConnect 6800, FastConnect 6900, FastConnect 7800, QCA6391, QCA6420, QCA6430, SC8380XP, SM6250, Snapdragon 7c Compute Platform (SC7180-AC), Snapdragon 7c Gen 2 Compute Platform (SC7180-AD) "Rennell Pro", Snapdragon 7c+ Gen 3 Compute, Snapdragon 8c Compute Platform (SC8180X-AD) "Poipu Lite", Snapdragon 8cx Compute Platform (SC8180X-AA, AB), Snapdragon 8cx Gen 2 5G Compute Platform (SC8180X-AC, AF) "Poipu Pro", Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB), WCD9340, WCD9341, WCD9380, WCD9385, WSA8810, WSA8815, WSA8830, WSA8835, WSA8840, WSA8845, WSA8845HSnapdragon Compute
qualcommaqt1000_firmware0 to *—
qualcommfastconnect_6200_firmware0 to *—
qualcommfastconnect_6700_firmware0 to *—
qualcommfastconnect_6800_firmware0 to *—
qualcommfastconnect_6900_firmware0 to *—
qualcommfastconnect_7800_firmware0 to *—
qualcommqca6391_firmware0 to *—
qualcommqca6420_firmware0 to *—
qualcommqca6430_firmware0 to *—
qualcommsc8380xp_firmware0 to *—
qualcommsm6250_firmware0 to *—
qualcommwcd9340_firmware0 to *—
qualcommwcd9341_firmware0 to *—
qualcommwcd9380_firmware0 to *—
qualcommwcd9385_firmware0 to *—
qualcommwsa8810_firmware0 to *—
qualcommwsa8815_firmware0 to *—
qualcommwsa8830_firmware0 to *—
qualcommwsa8835_firmware0 to *—
qualcommwsa8840_firmware0 to *—
qualcommwsa8845_firmware0 to *—
qualcommwsa8845h_firmware0 to *—

06 References