CVE-2023-43540: qualcomm, inc. snapdragon Classic Buffer Overflow
CVSS: 8.4v3.1HighAnalyzed
Published 04-03-2024Last modified 02-08-2024
Vulnerability summary
CVE-2023-43540 is a high (CVSS 8.4) Classic Buffer Overflow vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.2% of scored vulnerabilities.
CVSS score
8.4/10
010
High · v3.1 (CVE.org)EPSS score
0.11%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 04-03-2024PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
Memory corruption while processing the IOCTL FM HCI WRITE request.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources2 sources · 7.8–8.4
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.11%
Chance of exploitation in the next 30 days
Percentile
1%
Versus all other CVEs
30-day change
0.00 pp
From 0.11% on 21-09-2026
21-09-202621-10-2026
EPSS score0.11%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Qualcomm29 products
- aqt1000_firmwarena
- fastconnect_6200_firmwarena
- fastconnect_6700_firmwarena
- fastconnect_6800_firmwarena
- fastconnect_6900_firmwarena
Qualcomm, inc.1 product
- 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 | WSA8845H
2 vendors · 30 products