What is CVE-2020-11186?

CVE-2020-11186 is a medium-severity vulnerability in Qualcomm Csrb31024, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2021-03-17.

How severe is CVE-2020-11186?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2020-11186 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Qualcomm Csrb31024

CVE-2020-11186

Modem will enter into busy mode in an infinite loop while parsing histogram dimension due to improper validation of input received in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile

Published 2021-03-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (7.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

Public proof-of-concept exploits

TinyNiko/android_

References

www.qualcomm.com/company/product-security/bulletins/march-2021-bulletin (Vendor Advisory)

Frequently asked questions

What is CVE-2020-11186?: CVE-2020-11186 is a medium-severity vulnerability in Qualcomm Csrb31024, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2021-03-17.
How severe is CVE-2020-11186?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2020-11186 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.