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CVE-2021-1980· NVD / CVE Program· CNA qualcomm

Possible buffer over read due to lack of length check while parsing beacon IE response in Snapdragon Auto, Snapdragon Compute, Snapdragon Co

Possible buffer over read due to lack of length check while parsing beacon IE response in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

CriticalCVSS 9.1 · v3.1—No exploit No fix recorded

Noroxi analysis

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Published
Oct 20, 2021
Updated
Jun 16, 2026
EPSS
0.6% · 47th percentile
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Report tools

JSON

Action score

36

Monitor

Low priority for now.

CVSS
36 / 40 · 9.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.6%

CNA vs NVD score

NVD
9.1
CNA · qualcomm
7.5
1.6 point gap

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

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

Affected systems

VendorProduct
qualcommapq8053 firmware
qualcommapq8053
qualcommapq8064au firmware
qualcommapq8064au
qualcommapq8096au firmware
qualcommapq8096au
qualcommaqt1000 firmware
qualcommaqt1000
qualcommar8031 firmware
qualcommar8031
qualcommar8035 firmware
qualcommar8035

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 apq8053 firmwareall versions
  • qualcomm apq8064au firmwareall versions
  • qualcomm apq8096au firmwareall versions
  • qualcomm aqt1000 firmwareall versions
  • qualcomm ar8031 firmwareall versions
  • qualcomm ar8035 firmwareall versions
  • qualcomm ar9380 firmwareall versions
  • qualcomm csr8811 firmwareall versions
  • qualcomm csra6620 firmwareall versions
  • qualcomm csra6640 firmwareall versions
  • qualcomm csrb31024 firmwareall versions
  • qualcomm fsm10055 firmwareall versions
  • qualcomm fsm10056 firmwareall versions
  • qualcomm ipq4018 firmwareall versions
  • qualcomm ipq4019 firmwareall versions
  • qualcomm ipq4028 firmwareall versions
  • qualcomm ipq4029 firmwareall versions
  • qualcomm ipq5010 firmwareall versions
  • qualcomm ipq5018 firmwareall versions
  • qualcomm ipq5028 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 Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Mu

    • APQ8053, APQ8064AU, APQ8096AU, AQT1000, AR8031, AR8035, AR9380, CSR8811, CSRA6620, CSRA6640, CSRB31024, FSM10055, FSM10056, IPQ4018, IPQ4019, IPQ4028, IPQ4029, IPQ5010, IPQ5018, IPQ5028, IPQ6000, IPQ6affected

Same product

qualcomm: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-22071Possible use after free when process shell memory is freed using IOCTL munmap call and process initialization is in progress in Snapdragon AKEV
    61This week
  • CVE-2020-11264Improper authentication of Non-EAPOL/WAPI plaintext frames during four-way handshake can lead to arbitrary network packet injection in Snapd
    43Plan
  • CVE-2020-11153u'Out of bound memory access while processing GATT data received due to lack of check of pdu data length and leads to remote code execution'
    40Plan
  • CVE-2020-3703u'Buffer over-read issue in Bluetooth peripheral firmware due to lack of check for invalid opcode and length of opcode received from central
    39Monitor
  • CVE-2020-3628Improper access due to socket opened by the logging application without specifying localhost address in Snapdragon Consumer IOT, Snapdragon
    39Monitor
  • CVE-2019-14080Out of bound write can happen due to lack of check of array index value while parsing SDP attribute for SAR in Snapdragon Auto, Snapdragon C
    39Monitor

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

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

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

Weakness class (CWE)

CWE-125 · Out-of-bounds Read

CVSS vector

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

ATT&CK techniques

—

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