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CVE-2020-11236· NVD / CVE Program· CNA qualcomm

Memory corruption due to invalid value of total dimension in the non-histogram type KPI could lead to a denial of service in Snapdragon Auto

Memory corruption due to invalid value of total dimension in the non-histogram type KPI could lead to a denial of service in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile

MediumCVSS 5.5 · v3.1—No exploit No fix recorded
Published
Apr 7, 2021
Updated
Jun 16, 2026
EPSS
0.4% · 36th percentile
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Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CNA vs NVD score

NVD
5.5
CNA · qualcomm
8.4
2.9 point gap

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

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.

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Affected systems

VendorProduct
qualcommcsrb31024 firmware
qualcommcsrb31024
qualcommpm3003a firmware
qualcommpm3003a
qualcommpm6150a firmware
qualcommpm6150a
qualcommpm6150l firmware
qualcommpm6150l
qualcommpm6350 firmware
qualcommpm6350
qualcommpm7150a firmware
qualcommpm7150a

and 188 more

Affected versions

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

  • qualcomm csrb31024 firmwareall versions
  • qualcomm pm3003a firmwareall versions
  • qualcomm pm6150a firmwareall versions
  • qualcomm pm6150l firmwareall versions
  • qualcomm pm6350 firmwareall versions
  • qualcomm pm7150a firmwareall versions
  • qualcomm pm7150l firmwareall versions
  • qualcomm pm7250 firmwareall versions
  • qualcomm pm7250b firmwareall versions
  • qualcomm pm8008 firmwareall versions
  • qualcomm pm8009 firmwareall versions
  • qualcomm pm8150a firmwareall versions
  • qualcomm pm8150b firmwareall versions
  • qualcomm pm8150c firmwareall versions
  • qualcomm pm8150l firmwareall versions
  • qualcomm pm8250 firmwareall versions
  • qualcomm pm8350 firmwareall versions
  • qualcomm pm8350b firmwareall versions
  • qualcomm pm8350bh firmwareall versions
  • qualcomm pm8350c 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 Mobile

    • CSRB31024, PM3003A, PM6150A, PM6150L, PM6350, PM7150A, PM7150L, PM7250, PM7250B, PM8008, PM8009, PM8150A, PM8150B, PM8150C, PM8150L, PM8250, PM8350, PM8350B, PM8350BH, PM8350C, PM855, PM855B, PM855L, affected

Same product

qualcomm: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-28572Buffer Over-read in WLAN HOST
    35Monitor
  • CVE-2024-43066Use After Free in HLOS
    31Monitor
  • CVE-2020-11237Memory crash when accessing histogram type KPI input received due to lack of check of histogram definition before accessing it in Snapdragon
    31Monitor
  • CVE-2020-11273Histogram type KPI was teardown with the assumption of the existence of histogram binning info and will lead to null pointer access when his
    30Monitor
  • CVE-2020-11186Modem will enter into busy mode in an infinite loop while parsing histogram dimension due to improper validation of input received in Snapdr
    22Monitor

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.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-787 · Out-of-bounds Write

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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

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

All records