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Fencer Vulns
high 8.4

CVE-2023-21642 json

Improper Access Control in HAB Memory Management

published 2023-05-02 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25809

cvss
8.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 0%
public exploits
0
none known

Summary

Memory corruption in HAB Memory management due to broad system privileges via physical address.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.10% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Qualcomm, Inc. Snapdragon
  • qualcomm qam8295p_firmware
  • qualcomm qca6574au_firmware
  • qualcomm qca6696_firmware
  • qualcomm sa6145p_firmware
  • qualcomm sa6150p_firmware
  • qualcomm sa6155p_firmware
  • qualcomm sa8145p_firmware
  • qualcomm sa8150p_firmware
  • qualcomm sa8155p_firmware
  • qualcomm sa8195p_firmware
  • qualcomm sa8295p_firmware
  • qualcomm sa8540p_firmware
  • qualcomm sa9000p_firmware

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.