CVE-2020-3639

CVE-2020-3639 is a critical-severity vulnerability in Qualcomm Apq8009 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-129.

Key facts

Description

u'When a non standard SIP sigcomp message is received from the network, then there may be chances of using more UDVM cycle or memory overflow' in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in APQ8009, APQ8017, APQ8037, APQ8053, MDM9250, MDM9607, MDM9628, MDM9640, MDM9650, MSM8108, MSM8208, MSM8209, MSM8608, MSM8905, MSM8909, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996AU, QCM4290, QCM6125, QCS410, QCS4290, QCS603, QCS605, QCS610, QCS6125, QM215, QSM8350, SA415M, SA6145P, SA6150P, SA6155P, SA8150P, SA8155, SA8155P, SA8195P, SC7180, SC8180X, SC8180X+SDX55, SC8180XP, SDA429W, SDA640, SDA660, SDA670, SDA845, SDA855, SDM1000, SDM429, SDM429W, SDM439, SDM450, SDM455, SDM630, SDM632, SDM636, SDM640, SDM660, SDM670, SDM710, SDM712, SDM845, SDM850, SDX24, SDX50M, SDX55, SDX55M, SM4125, SM4250, SM4250P, SM6115, SM6115P, SM6125, SM6150, SM6150P, SM6250, SM6250P, SM7125, SM7150, SM7150P, SM7250, SM7250P, SM8150, SM8150P, SM8350, SM8350P, SXR1120, SXR1130

Frequently asked questions

What is CVE-2020-3639?
u'When a non standard SIP sigcomp message is received from the network, then there may be chances of using more UDVM cycle or memory overflow' in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in APQ8009, APQ8017, APQ8037, APQ8053, MDM9250, MDM9607, MDM9628, MDM9640, MDM9650, MSM8108, MSM8208, MSM8209, MSM8608, MSM8905, MSM8909, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996AU, QCM4290, QCM6125, QCS410, QCS4290, QCS603, QCS605, QCS610, QCS6125, QM215, QSM8350, SA415M, SA6145P, SA6150P, SA6155P, SA8150P, SA8155, SA8155P, SA8195P, SC7180, SC8180X, SC8180X+SDX55, SC8180XP, SDA429W, SDA640, SDA660, SDA670, SDA845, SDA855, SDM1000, SDM429, SDM429W, SDM439, SDM450, SDM455, SDM630, SDM632, SDM636, SDM640, SDM660, SDM670, SDM710, SDM712, SDM845, SDM850, SDX24, SDX50M, SDX55, SDX55M, SM4125, SM4250, SM4250P, SM6115, SM6115P, SM6125, SM6150, SM6150P, SM6250, SM6250P, SM7125, SM7150, SM7150P, SM7250, SM7250P, SM8150, SM8150P, SM8350, SM8350P, SXR1120, SXR1130
How severe is CVE-2020-3639?
CVE-2020-3639 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-3639 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3639?
CVE-2020-3639 primarily affects Qualcomm Apq8009 Firmware. In total, 89 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-3639?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-3639 published?
CVE-2020-3639 was published on 2020-11-12 and last updated on 2026-06-17.

References

Affected products (89)

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