u'Due to an incorrect SMMU configuration, the modem crypto engine can potentially compromise the hypervisor' in Snapdragon Auto, Snapdragon
u'Due to an incorrect SMMU configuration, the modem crypto engine can potentially compromise the hypervisor' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in Agatti, Bitra, Kamorta, Nicobar, QCA6390, QCS404, QCS605, QCS610, Rennell, SA415M, SA515M, SA6155P, SA8155P, Saipan, SC7180, SC8180X, SDA845, SDM670, SDM710, SDM845, SDM850, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130
- Published
- Nov 2, 2020
- Updated
- Jun 16, 2026
- EPSS
- 0.2% · 12th percentile
- CWE
- —
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Report tools
Action score
31
Monitor
Low priority for now.
- CVSS
- 31 / 40 · 7.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| qualcomm | agatti firmware | cpe:2.3:o:qualcomm:agatti_firmware |
| qualcomm | agatti | cpe:2.3:h:qualcomm:agatti |
| qualcomm | bitra firmware | cpe:2.3:o:qualcomm:bitra_firmware |
| qualcomm | bitra | cpe:2.3:h:qualcomm:bitra |
| qualcomm | kamorta firmware | cpe:2.3:o:qualcomm:kamorta_firmware |
| qualcomm | kamorta | cpe:2.3:h:qualcomm:kamorta |
| qualcomm | nicobar firmware | cpe:2.3:o:qualcomm:nicobar_firmware |
| qualcomm | nicobar | cpe:2.3:h:qualcomm:nicobar |
| qualcomm | qca6390 firmware | cpe:2.3:o:qualcomm:qca6390_firmware |
| qualcomm | qca6390 | cpe:2.3:h:qualcomm:qca6390 |
| qualcomm | qcs404 firmware | cpe:2.3:o:qualcomm:qcs404_firmware |
| qualcomm | qcs404 | cpe:2.3:h:qualcomm:qcs404 |
and 46 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- qualcomm agatti firmwareall versions
- qualcomm bitra firmwareall versions
- qualcomm kamorta firmwareall versions
- qualcomm nicobar firmwareall versions
- qualcomm qca6390 firmwareall versions
- qualcomm qcs404 firmwareall versions
- qualcomm qcs605 firmwareall versions
- qualcomm qcs610 firmwareall versions
- qualcomm rennell firmwareall versions
- qualcomm sa415m firmwareall versions
- qualcomm sa515m firmwareall versions
- qualcomm sa6155p firmwareall versions
- qualcomm sa8155p firmwareall versions
- qualcomm saipan firmwareall versions
- qualcomm sc7180 firmwareall versions
- qualcomm sc8180x firmwareall versions
- qualcomm sda845 firmwareall versions
- qualcomm sdm670 firmwareall versions
- qualcomm sdm710 firmwareall versions
- qualcomm sdm845 firmwareall versions
Versions reported by the vendor
Affected version ranges reported by the assigning authority (qualcomm). Independent of NVD's CPE analysis and usually ahead of it.
Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Netwo
- Agatti, Bitra, Kamorta, Nicobar, QCA6390, QCS404, QCS605, QCS610, Rennell, SA415M, SA515M, SA6155P, SA8155P, Saipan, SC7180, SC8180X, SDA845, SDM670, SDM710, SDM845, SDM850, SDX24, SDX55, SM6150, SM71affected
Same product
qualcomm: all recordsOther highest-scoring records for the same primary product.
- CVE-2020-3692u'Possible buffer overflow while updating output buffer for IMEI and Gateway Address due to lack of check of input validation for parameters39Monitor
- CVE-2020-3673u'Buffer overflow can happen as part of SIP message packet processing while storing values in array due to lack of check to validate the ind39Monitor
- CVE-2020-3654u'Buffer overflow occurs while processing SIP message packet due to lack of check of index validation before copying into it' in Snapdragon 39Monitor
- CVE-2020-3670u'Potential out of bounds read while processing downlink NAS transport message due to improper length check of Information Element(IEI) NAS 36Monitor
- CVE-2020-3684u'QSEE reads the access permission policy for the SMEM TOC partition from the SMEM TOC contents populated by XBL Loader and applies them wit31Monitor
- CVE-2020-3678u'A buffer overflow could occur if the API is improperly used due to UIE init does not contain a buffer size a param' in Snapdragon Consumer31Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
—
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.qualcomm.com/company/product-security/bulletins/october-2020-bulletin
- www.qualcomm.com/company/product-security/bulletins/october-2020-security-bulletin
Vendor advisories and official records. Exploit/PoC links are deliberately left out.