CVE-2021-30342
Improper integrity check can lead to race condition between tasks PDCP and RRC? after a valid RRC Command packet has been received in…
- Published
- Updated
- Reserved
- Assigned by
- qualcomm
Description
Improper integrity check can lead to race condition between tasks PDCP and RRC? after a valid RRC Command packet has been received in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables
Timeline
ID reserved
By qualcomm
- 14 months later
· 14 months later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| qualcommCNA (assigner) | 3.1 | Critical9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVDNVD · Modified | 3.1 | Medium5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.51% · top 57% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.1.
Weakness
- Time-of-check Time-of-use Race Condition in Modem
- CWE-367 (opens in a new tab)All about CWE-367 and its CVEs
Affected products
Qualcomm, Inc. · Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables
- affected APQ8009W, APQ8017, APQ8096AU, AQT1000, CSRB31024, FSM10055, FSM10056, MDM8207, MDM9150, MDM9205, MDM9206, MDM9207, MDM9250, MDM9607, MDM9628, MDM9640, MDM9650, MDM9655, MSM8909W, MSM8996AU, QCA4004, QCA6174A, QCA6420, QCA6430, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584, QCA6584AU, QCA6595AU, QCA6696, QCA9367, QCA9377, QCM2290, QCM4290, QCM6125, QCS2290, QCS410, QCS4290, QCS610, QCS6125, QSW8573, SA415M, SA6145P, SA6150P, SA6155P, SA8145P, SA8150P, SA8155P, SA8195P, SD 675, SD 8cx Gen2, SD205, SD210, SD429, SD439, SD460, SD660, SD662, SD665, SD675, SD678, SD680, SD720G, SD730, SD7c, SD850, SD855, SDA429W, SDM429W, SDW2500, SDX12, SDX20, SDX24, SDXR1, SM6250, SM6250P, SW5100, SW5100P, WCD9306, WCD9330, WCD9370, WCD9375, WCD9380, WCN3610, WCN3620, WCN3910, WCN3950, WCN3988, WCN3991, WCN3998, WSA8830, WSA8835
References (1)
- https://www.qualcomm.com/company/product-security/bulletins/april-2022-bulletin (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-30342)Record last updated .