CVE-2023-21649: Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in WLAN
Modified
Published 08-08-2023Last modified 02-08-2024
Vulnerability summary
CVE-2023-21649 is a high (CVSS 7.8) Classic Buffer Overflow vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.4% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.11%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 08-08-2023PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
Memory corruption in WLAN while running doDriverCmd for an unspecific command.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 6.7–7.8
- CVE.orgCNA6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/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
No change 0.00 pp
From 0.11% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
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
Qualcomm65 products
Qualcomm, inc.1 product
- snapdragonAPQ8096AU | AQT1000 | MDM9628 | MDM9650 | QCA6390 | QCA6391 | QCA6420 | QCA6421 | QCA6426 | QCA6430 | QCA6431 | QCA6436 | QCA6554A | QCA6564A | QCA6564AU | QCA6574 | QCA6574A | QCA6574AU | QCA6584AU | QCA6595 | QCA6595AU | QCA6696 | QCA8337 | QCC5100 | QCN9074 | QCS410 | QCS610 | SA6145P | SA6150P | SA6155P | SA8145P | SA8150P | SA8155P | SA8195P | SD480 | SD695 | SD855 | SD865 5G | SD870 | SDA429W | SDX55 | SDX55M | SDXR2 5G | SM4375 | SW5100 | SW5100P | WCD9341 | WCD9370 | WCD9375 | WCD9380 | WCD9385 | WCN3610 | WCN3660B | WCN3680B | WCN3950 | WCN3980 | WCN3988 | WCN3991 | WCN3998 | WCN6850 | WCN6851 | WSA8810 | WSA8815 | WSA8830 | WSA8835
2 vendors · 66 products