CVE-2021-1901
Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon...
Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- Record
CVE-2021-1901- CVSS 3.1
- 4.6 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
EUVDEUVD-2021-7365
Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- Record
EUVD-2021-7365- CVSS 3.1
- 4.6 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4w3h-xrfh-9v5v No score
Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon...
Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- Record
GHSA-4w3h-xrfh-9v5v- Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- Record
CVE-2021-1901- CVSS 3.1
- 4.6 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
Affected products
- qualcomm, inc. snapdragon consumer iot, snapdragon industrial iot, snapdragon mobile, snapdragon voice & music, snapdragon wearables
- qualcomm apq8009 firmware
- qualcomm apq8053 firmware
- qualcomm aqt1000 firmware
- qualcomm mdm9206 firmware
- qualcomm qca6420 firmware
- qualcomm qca6430 firmware
- qualcomm qca9367 firmware
- qualcomm qca9377 firmware
- qualcomm qualcomm215 firmware
- qualcomm sd205 firmware
- qualcomm sd210 firmware
Show 31 moreShow less
- qualcomm sd675 firmware
- qualcomm sd678 firmware
- qualcomm sd720g firmware
- qualcomm sd730 firmware
- qualcomm sd855 firmware
- qualcomm sd 675 firmware
- qualcomm sda429w firmware
- qualcomm sdx50m firmware
- qualcomm sdx55 firmware
- qualcomm sdx55m firmware
- qualcomm sm6250 firmware
- qualcomm wcd9326 firmware
- qualcomm wcd9330 firmware
- qualcomm wcd9340 firmware
- qualcomm wcd9341 firmware
- qualcomm wcd9370 firmware
- qualcomm wcd9375 firmware
- qualcomm wcd9380 firmware
- qualcomm wcn3610 firmware
- qualcomm wcn3615 firmware
- qualcomm wcn3620 firmware
- qualcomm wcn3660b firmware
- qualcomm wcn3680 firmware
- qualcomm wcn3680b firmware
- qualcomm wcn3950 firmware
- qualcomm wcn3980 firmware
- qualcomm wcn3988 firmware
- qualcomm wcn3991 firmware
- qualcomm wcn3998 firmware
- qualcomm wsa8810 firmware
- qualcomm wsa8815 firmware
Affected packages
| Package | Affected | Fixed |
|---|---|---|
kernel/lkAndroid |
SoCVersion:0 up to SoCVersion:2021-07-05, plus listed versions SoCVersion |
SoCVersion:2021-07-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-1901 is a medium vulnerability (CVSS 4.6) in Qualcomm, Inc. Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, published July 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. Fixed in kernel/lk SoCVersion:2021-07-05.