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Fencer Vulns
high 7.5

CVE-2024-21453 json

Improper Input Validation in Automotive Telematics

published 2024-04-01 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-19162

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits
0
none known

Summary

Transient DOS while decoding message of size that exceeds the available system memory.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Qualcomm, Inc. Snapdragon
  • qualcomm wcn3980
  • qualcomm wsa8810
  • qualcomm c-v2x_9150
  • qualcomm qcs410
  • qualcomm qcs610
  • qualcomm video_collaboration_vc1
  • qualcomm video_collaboration_vc3
  • qualcomm snapdragon_auto_5g_modem-rf
  • qualcomm snapdragon_auto_4g_modem
  • qualcomm wcd9341
  • qualcomm wcd9370
  • qualcomm wcn3950
  • qualcomm wsa8815

Classification

Weakness
  • CWE-20 Improper Input Validation

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.