7.8

CVE-2021-30311: qualcomm, inc. snapdragon auto, snapdragon compute, snapdragon connectivity, snapdragon industrial iot, snapdragon mobile Improper Validation of Array Index

CVSS: 7.8v3.1HighModified
Published 13-01-2022Last modified 03-08-2024

Vulnerability summary

CVE-2021-30311 is a high (CVSS 7.8) Improper Validation of Array Index vulnerability in qualcomm, inc. snapdragon auto, snapdragon compute, snapdragon connectivity, snapdragon industrial iot, snapdragon mobile. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.4% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.16%
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. 13-01-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Possible heap overflow due to lack of index validation before allocating and writing to heap buffer in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

0.00 pp

From 0.16% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.16%

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

Qualcomm67 products
Qualcomm, inc.1 product
  • snapdragon auto, snapdragon compute, snapdragon connectivity, snapdragon industrial iot, snapdragon mobileAR8035, QCA6390, QCA6391, QCA6426, QCA6436, QCA6574A, QCA6574AU, QCA6595AU, QCA6696, QCA8081, QCA8337, QCM6490, QCS6490, QCX315, SA515M, SD 675, SD 8 Gen1 5G, SD460, SD480, SD662, SD665, SD675, SD678, SD690 5G, SD720G, SD730, SD750G, SD765, SD765G, SD768G, SD778G, SD780G, SD865 5G, SD870, SD888, SD888 5G, SDX55, SDX55M, SDX65, SDXR2 5G, SM6225, SM6250, SM6375, SM7250P, SM7315, SM7325P, WCD9341, WCD9360, WCD9370, WCD9375, WCD9380, WCD9385, WCN3950, WCN3980, WCN3988, WCN3991, WCN3998, WCN6740, WCN6750, WCN6850, WCN6851, WCN6855, WCN6856, WSA8810, WSA8815, WSA8830, WSA8835

2 vendors · 68 products

References

1 links