7.5

CVE-2021-30310: qualcomm, inc. snapdragon auto, snapdragon connectivity, snapdragon consumer electronics connectivity, snapdragon consumer iot, snapdragon industrial iot, snapdragon iot, snapdragon mobile, snapdragon voice & music Improper Input Validation

CVSS: 7.5v3.1HighModified
Published 20-10-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-30310 is a high (CVSS 7.5) Improper Input Validation vulnerability in qualcomm, inc. snapdragon auto, snapdragon connectivity, snapdragon consumer electronics connectivity, snapdragon consumer iot, snapdragon industrial iot, snapdragon iot, snapdragon mobile, snapdragon voice & music. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.60%
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. 20-10-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Possible buffer overflow due to Improper validation of received CF-ACK and CF-Poll data frames in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.60%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

0.00 pp

From 0.60% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.60%

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

Qualcomm86 products
Qualcomm, inc.1 product

2 vendors · 87 products

References

1 links