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Fencer Vulns
high 7.3

CVE-2024-21452 json

Improper Input Validation in Automotive Telematics

published 2024-04-01 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-19161

cvss
7.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits
0
none known

Summary

Transient DOS while decoding an ASN.1 OER message containing a SEQUENCE of unknown extensions.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD 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 c-v2x_9150_firmware
  • qualcomm qca6584au_firmware
  • qualcomm qca6698aq_firmware
  • qualcomm snapdragon_auto_5g_modem-rf_firmware
  • qualcomm snapdragon_auto_5g_modem-rf_gen_2_firmware
  • qualcomm snapdragon_auto_4g_modem_firmware

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.