# CVE-2024-21453: Improper Input Validation in Automotive Telematics

> An attacker can cause a transient denial of service in Qualcomm Snapdragon automotive telematics by sending oversized messages that exhaust system memory.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Apr 2024
- **Updated:** 1 Aug 2024
- **Also known as:** GHSA-6gr4-fjw7-47pw

## What is CVE-2024-21453?

CVE-2024-21453 is a high-severity denial of service vulnerability in Qualcomm C-V2x 9150 Firmware, published on 1 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

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

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2024-21453?

It affects 13 products.


Products: Qualcomm C-V2x 9150 Firmware, Qualcomm Qcs410 Firmware, Qualcomm Qcs610 Firmware, Qualcomm Snapdragon Auto 4g Modem Firmware, Qualcomm Snapdragon Auto 5g Modem-Rf Firmware, Qualcomm Video Collaboration Vc1 Platform Firmware, Qualcomm Video Collaboration Vc3 Platform Firmware, Qualcomm Wcd9341 Firmware, Qualcomm Wcd9370 Firmware, Qualcomm Wcn3950 Firmware, Qualcomm Wcn3980 Firmware, Qualcomm Wsa8810 Firmware, Qualcomm Wsa8815 Firmware.

## How do I fix CVE-2024-21453?

No fix has been published for CVE-2024-21453 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-21453 being exploited?

There is no known exploitation of CVE-2024-21453 in the wild and no public exploit code.

## Other vulnerabilities in Qualcomm C-V2x 9150 Firmware

- [CVE-2024-45564](https://insights.sbomify.com/CVE-2024-45564/): Use After Free in HLOS (high 7.8)
- [CVE-2024-43067](https://insights.sbomify.com/CVE-2024-43067/): Time-of-check Time-of-use (TOCTOU) Race Condition in Camera (high 7.8)
- [CVE-2024-38418](https://insights.sbomify.com/CVE-2024-38418/): Time-of-check Time-of-use (TOCTOU) Race Condition in Camera Linux (high 7.8)
- [CVE-2024-21452](https://insights.sbomify.com/CVE-2024-21452/): Improper Input Validation in Automotive Telematics (high 7.3)
- [CVE-2024-33036](https://insights.sbomify.com/CVE-2024-33036/): Use of Out-of-range Pointer Offset in Camera Driver (medium 6.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-21453 and fix it if it is affected.

What it is: CVE-2024-21453 is a high-severity denial of service vulnerability in Qualcomm C-V2x 9150 Firmware, published on 1 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-21453 in the wild and no public exploit code.

Affected product: Qualcomm C-V2x 9150 Firmware. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2024-21453/ (Markdown: https://insights.sbomify.com/CVE-2024-21453/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-21453
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-21453
- OSV: https://osv.dev/vulnerability/CVE-2024-21453

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-21453/
Summaries are generated and may contain mistakes; the official description above is the record.