CVE-2021-35123
HIGHCVSS 8.8/10EPSS 0.28%
Last modified
CVE-2021-35123 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Buffer copy in GATT multi notification due to improper length check for the data coming over-the-air in Snapdragon Connectivity, Snapdragon Industrial IOT. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
Buffer copy in GATT multi notification due to improper length check for the data coming over-the-air in Snapdragon Connectivity, Snapdragon Industrial IOT
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qualcomm | Aqt1000 Firmware | All versions |
| Qualcomm | Qca6390 Firmware | All versions |
| Qualcomm | Qca6391 Firmware | All versions |
| Qualcomm | Sd 8 Gen1 5g Firmware | All versions |
| Qualcomm | Sd480 Firmware | All versions |
| Qualcomm | Sd660 Firmware | All versions |
| Qualcomm | Sd778g Firmware | All versions |
| Qualcomm | Sd780g Firmware | All versions |
| Qualcomm | Sd855 Firmware | All versions |
| Qualcomm | Sd865 5g Firmware | All versions |
| Qualcomm | Sd870 Firmware | All versions |
| Qualcomm | Sd888 5g Firmware | All versions |
| Qualcomm | Sdx55m Firmware | All versions |
| Qualcomm | Sm6375 Firmware | All versions |
| Qualcomm | Sm7325p Firmware | All versions |
| Qualcomm | Wcd9335 Firmware | All versions |
| Qualcomm | Wcd9370 Firmware | All versions |
| Qualcomm | Wcd9375 Firmware | All versions |
| Qualcomm | Wcd9380 Firmware | All versions |
| Qualcomm | Wcd9385 Firmware | All versions |
| Qualcomm | Wcn3980 Firmware | All versions |
| Qualcomm | Wcn3988 Firmware | All versions |
| Qualcomm | Wcn3991 Firmware | All versions |
| Qualcomm | Wcn3998 Firmware | All versions |
| Qualcomm | Wcn6740 Firmware | All versions |
| Qualcomm | Wcn6750 Firmware | All versions |
| Qualcomm | Wcn6850 Firmware | All versions |
| Qualcomm | Wcn6851 Firmware | All versions |
| Qualcomm | Wcn6855 Firmware | All versions |
| Qualcomm | Wcn6856 Firmware | All versions |
| Qualcomm | Wsa8830 Firmware | All versions |
| Qualcomm | Wsa8835 Firmware | All versions |
References
- https://www.qualcomm.com/company/product-security/bulletins/april-2022-bulletinPatch, Vendor Advisory
- https://www.qualcomm.com/company/product-security/bulletins/april-2022-bulletinPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-35123?
Buffer copy in GATT multi notification due to improper length check for the data coming over-the-air in Snapdragon Connectivity, Snapdragon Industrial IOT
How severe is CVE-2021-35123?
CVE-2021-35123 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2021-35123?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-35118An out-of-bounds write can occur due to an incorrect input c…6.7
- CVE-2021-35119Potential out of Bounds read in FIPS event processing due to…5.5
- CVE-2021-3512Improper access control vulnerability in Buffalo broadband r…8.8
- CVE-2021-35120Improper handling between export and release functions on th…6.7
- CVE-2021-35121An array index is improperly used to lock and unlock a mutex…6.7
- CVE-2021-35122Non-secure region can try modifying RG permissions of IO spa…7.8
- CVE-2021-35126Memory corruption in DSP service due to improper validation …7.8
- CVE-2021-35129Memory corruption in BT controller due to improper length ch…7.8
- CVE-2021-3513A flaw was found in keycloak where a brute force attack is p…7.5
- CVE-2021-35130Memory corruption in graphics support layer due to use after…7.8
- CVE-2021-35132Out of bound write in DSP service due to improper bound chec…7.8
- CVE-2021-35133Use after free in the synx driver issue while performing oth…6.7
Are you affected by CVE-2021-35123?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST