How severe is CVE-2020-3674?

CVE-2020-3674 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-3674 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3674?

CVE-2020-3674 primarily affects Qualcomm Nicobar Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-3674?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-3674 published?

CVE-2020-3674 was published on 2020-09-09 and last updated on 2026-06-17.

CVE-2020-3674

CVE-2020-3674 is a medium-severity vulnerability in Qualcomm Nicobar Firmware with a CVSS 3.x base score of 5.5. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Qualcomm Nicobar Firmware
Published: 2020-09-09
Last modified: 2026-06-17

Description

Information can leak into userspace due to improper transfer of data from kernel to userspace in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in Nicobar, QCS405, Saipan, SC8180X, SDX55, SM8150, SM8250, SXR2130

Frequently asked questions

What is CVE-2020-3674?: Information can leak into userspace due to improper transfer of data from kernel to userspace in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in Nicobar, QCS405, Saipan, SC8180X, SDX55, SM8150, SM8250, SXR2130
How severe is CVE-2020-3674?: CVE-2020-3674 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-3674 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3674?: CVE-2020-3674 primarily affects Qualcomm Nicobar Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-3674?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-3674 published?: CVE-2020-3674 was published on 2020-09-09 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/september-2020-bulletin

Affected products (8)

cpe:2.3:o:qualcomm:nicobar_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs405_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:saipan_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sc8180x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdx55_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr2130_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Nicobar Firmware

CVE-2020-3703 — Critical (CVSS 9.8): u'Buffer over-read issue in Bluetooth peripheral firmware due to lack of check for invalid opcode and length of opcode…
CVE-2020-3692 — Critical (CVSS 9.8): u'Possible buffer overflow while updating output buffer for IMEI and Gateway Address due to lack of check of input…
CVE-2020-3673 — Critical (CVSS 9.8): u'Buffer overflow can happen as part of SIP message packet processing while storing values in array due to lack of…
CVE-2020-3654 — Critical (CVSS 9.8): u'Buffer overflow occurs while processing SIP message packet due to lack of check of index validation before copying…
CVE-2020-3675 — Critical (CVSS 9.8): u'Potential integer underflow while parsing Service Info and IPv6 link-local TLVs that comes as part of NDPE attribute'…
CVE-2020-3669 — Critical (CVSS 9.8): u'Buffer Overflow issue in WLAN tcp ip verification due to usage of out of range pointer offset' in Snapdragon Auto,…

All CVEs affecting Qualcomm Nicobar Firmware →

Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

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