SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2020-11261

Qualcomm Multiple Chipsets Improper Input Validation Vulnerability

KEVHIGH 7.8EPSS 1.60%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 1 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Memory corruption due to improper check to return error when user application requests memory allocation of a huge size in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.60% probability · 76th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 1 December 2021 · due 1 June 2022
Weakness
CWE-787, CWE-20
Affected
qualcomm/apq8009 firmware · qualcomm/apq8009w firmware · qualcomm/apq8017 firmware · qualcomm/apq8037 firmware · qualcomm/apq8053 firmware · qualcomm/apq8064au firmware · qualcomm/apq8096au firmware · qualcomm/aqt1000 firmware · qualcomm/ar8031 firmware · qualcomm/ar8035 firmware · qualcomm/ar8151 firmware · qualcomm/csra6620 firmware · qualcomm/csra6640 firmware · qualcomm/csrb31024 firmware · qualcomm/fsm10055 firmware · qualcomm/fsm10056 firmware · qualcomm/mdm9650 firmware · qualcomm/msm8909w firmware · qualcomm/msm8917 firmware · qualcomm/msm8920 firmware · +40 more
Source
product-security@qualcomm.com
EPSS trend
0%3%5%26 October 2026: 1.60%26 October 202626 October 2026

EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-11261

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.