6.7

CVE-2021-35121: qualcomm, inc. snapdragon compute, snapdragon connectivity, snapdragon industrial iot, snapdragon mobile Improper Validation of Array Index

CVSS: 6.7v3.1MediumModified
Published 14-06-2022Last modified 04-08-2024

Vulnerability summary

CVE-2021-35121 is a medium (CVSS 6.7) Improper Validation of Array Index vulnerability in qualcomm, inc. snapdragon compute, snapdragon connectivity, snapdragon industrial iot, snapdragon mobile. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.7/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-06-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An array index is improperly used to lock and unlock a mutex which can lead to a Use After Free condition In the Synx driver in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

0.00 pp

From 0.15% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Qualcomm44 products
Qualcomm, inc.1 product
  • snapdragon compute, snapdragon connectivity, snapdragon industrial iot, snapdragon mobileAPQ8053, MSM8953, QCA6390, QCA6391, QCA6426, QCA6436, QCM2290, QCM4290, QCS2290, QCS4290, QRB5165, QRB5165M, QRB5165N, SD460, SD662, SD680, SD690 5G, SD750G, SD765, SD765G, SD768G, SD865 5G, SD870, SDX55M, SDXR2 5G, SM7250P, WCD9326, WCD9370, WCD9375, WCD9380, WCD9385, WCN3615, WCN3680B, WCN3910, WCN3950, WCN3988, WCN3991, WCN3998, WCN6850, WCN6851, WSA8810, WSA8815, WSA8830, WSA8835

2 vendors · 45 products

References

1 links