SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-3673

u'Buffer overflow can happen as part of SIP message packet processing while storing values in array due to lack of check to validate the index length' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon…

CRITICAL 9.8EPSS 1.07%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.07%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

u'Buffer overflow can happen as part of SIP message packet processing while storing values in array due to lack of check to validate the index length' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in Agatti, APQ8053, APQ8096AU, APQ8098, Bitra, Kamorta, MSM8905, MSM8909W, MSM8917, MSM8940, MSM8953, MSM8996AU, Nicobar, QCA6390, QCA6574AU, QCM2150, QCS605, QM215, Rennell, SA6155P, SA8155P, Saipan, SDA660, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.07% probability · 65th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-129
Affected
qualcomm/agatti firmware · qualcomm/apq8053 firmware · qualcomm/apq8096au firmware · qualcomm/apq8098 firmware · qualcomm/bitra firmware · qualcomm/kamorta firmware · qualcomm/msm8905 firmware · qualcomm/msm8909w firmware · qualcomm/msm8917 firmware · qualcomm/msm8940 firmware · qualcomm/msm8953 firmware · qualcomm/msm8996au firmware · qualcomm/nicobar firmware · qualcomm/qca6390 firmware · qualcomm/qca6574au firmware · qualcomm/qcm2150 firmware · qualcomm/qcs605 firmware · qualcomm/qm215 firmware · qualcomm/rennell firmware · qualcomm/sa6155p firmware · +20 more
Source
product-security@qualcomm.com
EPSS trend
0%3%5%26 October 2026: 1.07%26 October 202626 October 2026

EPSS 1.1% 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.

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