CVE-2021-1958

mediumpriority · track · 26EPSS 0.001 · 1 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.10% (1st) EPSS

CVSS 4.4 · medium

Is it mine?

39 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-28

A race condition in fastrpc kernel driver for dynamic process creation can lead to use after free scenario in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Mobile, Snapdragon Wearables

cvss

Technical severity, 0–10. One row per scoring source.

6.7

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.4mediumAV:L/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.4 · impact 6.4

v3.16.4mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 0.5 · impact 5.9

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · product-security@qualcomm.comexploitability 0.8 · impact 5.9

v3.15.9mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-362USprimary

affected products (39)

Products and version ranges known to be affected.

Qualcomm, Inc. Snapdragon Auto, Snapdragon Connectivity, Snapdragon Mobile, Snapdragon Wearables≤ QCA6574A, QCA6574AU, QCA6595, QCA6595AU, QCA6696, SA6145P, SA6150P, SA6155P, SA8145P, SA8150P, SA8155, SA8155P, SA8195P, SD480, SD778G, SD780G, SD888 5G, SDA429W, SM7315, SM7325P, WCD9341, WCD9370, WCD9375, WCD9380, WCD9385, WCN3610, WCN3620, WCN3660B, WCN3980, WCN3988, WCN3991, WCN6740, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WSA8830, WSA8835enisa_euvdEU
qualcomm qca6574a firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6574a_firmware:*:*:*:*:*:*:*:*
qualcomm qca6574au firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6574au_firmware:*:*:*:*:*:*:*:*
qualcomm qca6595 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6595_firmware:*:*:*:*:*:*:*:*
qualcomm qca6595au firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6595au_firmware:*:*:*:*:*:*:*:*
qualcomm qca6696 firmwareall versionsnvdUScpe:2.3:o:qualcomm:qca6696_firmware:*:*:*:*:*:*:*:*
qualcomm sa6145p firmwareall versionsnvdUScpe:2.3:o:qualcomm:sa6145p_firmware:*:*:*:*:*:*:*:*
qualcomm sa6150p firmwareall versionsnvdUScpe:2.3:o:qualcomm:sa6150p_firmware:*:*:*:*:*:*:*:*
qualcomm sa6155p firmwareall versionsnvdUScpe:2.3:o:qualcomm:sa6155p_firmware:*:*:*:*:*:*:*:*
qualcomm sa8145p firmwareall versionsnvdUScpe:2.3:o:qualcomm:sa8145p_firmware:*:*:*:*:*:*:*:*
qualcomm sa8150p firmwareall versionsnvdUScpe:2.3:o:qualcomm:sa8150p_firmware:*:*:*:*:*:*:*:*
qualcomm sa8155 firmwareall versionsnvdUScpe:2.3:o:qualcomm:sa8155_firmware:*:*:*:*:*:*:*:*
qualcomm sa8155p firmwareall versionsnvdUScpe:2.3:o:qualcomm:sa8155p_firmware:*:*:*:*:*:*:*:*
qualcomm sa8195p firmwareall versionsnvdUScpe:2.3:o:qualcomm:sa8195p_firmware:*:*:*:*:*:*:*:*
qualcomm sd480 firmwareall versionsnvdUScpe:2.3:o:qualcomm:sd480_firmware:*:*:*:*:*:*:*:*
qualcomm sd778g firmwareall versionsnvdUScpe:2.3:o:qualcomm:sd778g_firmware:*:*:*:*:*:*:*:*
qualcomm sd780g firmwareall versionsnvdUScpe:2.3:o:qualcomm:sd780g_firmware:*:*:*:*:*:*:*:*
qualcomm sd888 5g firmwareall versionsnvdUScpe:2.3:o:qualcomm:sd888_5g_firmware:*:*:*:*:*:*:*:*
qualcomm sda429w firmwareall versionsnvdUScpe:2.3:o:qualcomm:sda429w_firmware:*:*:*:*:*:*:*:*
qualcomm sm7325 firmwareall versionsnvdUScpe:2.3:o:qualcomm:sm7325_firmware:*:*:*:*:*:*:*:*

showing 20 of 39

advisories (1)

Vendor and ecosystem advisories describing this.

PUB-A-1816769682021-09-01vendor · osvUS

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2021-09-09modified 2026-06-17

related (4,154)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2025-62215US	—OT critical	4.46% (91st)	KEV	2025-11-11
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2025-39964US	medium5.5OT critical	1.57% (75th)	KEV	2025-10-13
In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg Issuing two writes to the same af_alg socket is…
CVE-2025-2783US	—OT critical	9.24% (95th)	KEV	2025-03-26
Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 134.0.6998.177 allowed a remote attacker to perform a sandbox escape via a malic…
CVE-2025-22224US	high8.2OT critical	1.56% (75th)	KEV	2025-03-04
VMware ESXi, and Workstation contain a TOCTOU (Time-of-Check Time-of-Use) vulnerability that leads to an out-of-bounds write. A malicious actor with local administrative privileges…
CVE-2023-36884US	—OT critical	99.4% (100th)	KEV	2023-07-11
Windows Search Remote Code Execution Vulnerability

+4149 more

references (8)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan