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CVE-2017-18302· NVD / CVE Program· CNA qualcomm

In Snapdragon (Automobile ,Mobile) in version MSM8996AU, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 820, SD 820A, SD 835,

In Snapdragon (Automobile ,Mobile) in version MSM8996AU, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, Snapdragon_High_Med_2016, a crafted HLOS client can modify the structure in memory passed to a QSEE application between the time of check and the time of use, resulting in arbitrary writes to TZ kernel memory regions.

MediumCVSS 4.7 · v3.0—No exploit No fix recorded
Published
Sep 20, 2018
Updated
Jun 16, 2026
EPSS
0.2% · 6th percentile
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Action score

18

Monitor

Low priority for now.

CVSS
18 / 40 · 4.7 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

Affected systems

VendorProduct
qualcommmsm8996au firmware
qualcommmsm8996au
qualcommsd425 firmware
qualcommsd425
qualcommsd427 firmware
qualcommsd427
qualcommsd430 firmware
qualcommsd430
qualcommsd435 firmware
qualcommsd435
qualcommsd450 firmware
qualcommsd450

and 26 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • qualcomm msm8996au firmwareall versions
  • qualcomm sd425 firmwareall versions
  • qualcomm sd427 firmwareall versions
  • qualcomm sd430 firmwareall versions
  • qualcomm sd435 firmwareall versions
  • qualcomm sd450 firmwareall versions
  • qualcomm sd625 firmwareall versions
  • qualcomm sd650 firmwareall versions
  • qualcomm sd652 firmwareall versions
  • qualcomm sd820 firmwareall versions
  • qualcomm sd820a firmwareall versions
  • qualcomm sd835 firmwareall versions
  • qualcomm sda660 firmwareall versions
  • qualcomm sdm429 firmwareall versions
  • qualcomm sdm439 firmwareall versions
  • qualcomm sdm630 firmwareall versions
  • qualcomm sdm632 firmwareall versions
  • qualcomm sdm636 firmwareall versions
  • qualcomm sdm660 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 Automobile, Snapdragon Mobile

    • MSM8996AU, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, Snapdragon_High_Med_2016affected

Same product

qualcomm: all records

Other highest-scoring records for the same primary product.

  • CVE-2017-18318Missing validation check on CRL issuer name in Snapdragon Automobile, Snapdragon Mobile in versions MSM8996AU, SD 410/12, SD 425, SD 430, SD
    39Monitor
  • CVE-2024-53030Improper Input Validation in Automotive OS Platform
    31Monitor
  • CVE-2024-45555Integer Overflow to Buffer Overflow in Automotive OS Platform
    31Monitor
  • CVE-2022-33282Integer overflow to buffer overflow in Automotive Multimedia
    31Monitor
  • CVE-2022-25680Memory corruption in multimedia due to buffer overflow while processing count variable from client in Snapdragon Auto
    31Monitor
  • CVE-2019-2277Out of bound read can happen due to lack of NULL termination on user controlled data in WLAN in Snapdragon Auto, Snapdragon Compute, Snapdra
    31Monitor

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.

EPSS, last 120 days

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 researchers

Finders, 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.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
none
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Local
Attack complexity
High
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
High
Availability impact
None

Weakness class (CWE)

CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSS vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

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.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; 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 help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records