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

CVE-2024-21452

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

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

HIGH · CVSS 7.3 EPSS 0.00072
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

6
qualcomm c-v2x 9150 firmwareall versions
qualcomm qca6584au firmwareall versions
qualcomm qca6698aq firmwareall versions
qualcomm snapdragon auto 5g modem-rf firmwareall versions
qualcomm snapdragon auto 5g modem-rf gen 2 firmwareall versions
qualcomm snapdragon auto 4g modem firmwareall versions
▣

Scoring & Timeline

7.3
HIGH · CVSS v3.1 · product-security@qualcomm.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Apr 2024 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2024-bulletin.htmlVendor Advisory
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