CVE-2021-35133
MEDIUMCVSS 6.7/10EPSS 0.12%
Last modified
CVE-2021-35133 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. Use after free in the synx driver issue while performing other functions during multiple invocation of synx release calls in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile. EPSS estimates a 0.12% chance of exploitation in the next 30 days.
Description
Use after free in the synx driver issue while performing other functions during multiple invocation of synx release calls in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qualcomm | Ar8035 Firmware | All versions |
| Qualcomm | Qca6174a Firmware | All versions |
| Qualcomm | Qca6391 Firmware | All versions |
| Qualcomm | Qca8081 Firmware | All versions |
| Qualcomm | Qca8337 Firmware | All versions |
| Qualcomm | Qca9377 Firmware | All versions |
| Qualcomm | Qcm6490 Firmware | All versions |
| Qualcomm | Qcs6490 Firmware | All versions |
| Qualcomm | Sd 8 Gen1 5g Firmware | All versions |
| Qualcomm | Sd480 Firmware | All versions |
| Qualcomm | Sd780g Firmware | All versions |
| Qualcomm | Sd888 5g Firmware | All versions |
| Qualcomm | Sdx12 Firmware | All versions |
| Qualcomm | Sdx65 Firmware | All versions |
| Qualcomm | Sm7450 Firmware | All versions |
| Qualcomm | Sm8475 Firmware | All versions |
| Qualcomm | Sm8475p Firmware | All versions |
| Qualcomm | Wcd9335 Firmware | All versions |
| Qualcomm | Wcd9341 Firmware | All versions |
| Qualcomm | Wcd9370 Firmware | All versions |
| Qualcomm | Wcd9375 Firmware | All versions |
| Qualcomm | Wcd9380 Firmware | All versions |
| Qualcomm | Wcd9385 Firmware | All versions |
| Qualcomm | Wcn3988 Firmware | All versions |
| Qualcomm | Wcn3991 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 | Wcn7850 Firmware | All versions |
| Qualcomm | Wcn7851 Firmware | All versions |
| Qualcomm | Wsa8830 Firmware | All versions |
| Qualcomm | Wsa8832 Firmware | All versions |
| Qualcomm | Wsa8835 Firmware | All versions |
References
- https://www.qualcomm.com/company/product-security/bulletins/july-2022-bulletinPatch, Vendor Advisory
- https://www.qualcomm.com/company/product-security/bulletins/july-2022-bulletinPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-35133?
Use after free in the synx driver issue while performing other functions during multiple invocation of synx release calls in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile
How severe is CVE-2021-35133?
CVE-2021-35133 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.
How do I fix CVE-2021-35133?
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.
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Are you affected by CVE-2021-35133?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
