# Incomplete verification of installation file signature

CVE record · `CVE-2022-43703`

- **Identifiers:** `CVE-2022-43703`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Arm
- **Weakness (CWE):** [CWE-427](https://cwe.mitre.org/data/definitions/427.html)
- **Tags:** [CWE-427](https://agentprime.io/advisories/tag/cwe-427.md)
- **Technologies:** [Arm Ltd Arm Compiler 5 (AC5), Arm Compiler for Embedded 6 (AC6), Fast Models (FM), Arm Compiler for Embedded FuSA (ACEF), Arm Development Studio (ADS), Arm Forge (AF), Arm Mobile Studio (AMS), DS-5 Development Studio, Fast Models (FM), GNU Toolchain (GT), Keil MDK (KMDK), Mbed Studio (MS)](https://agentprime.io/advisories/technology/arm-ltd-arm-compiler-5-ac5-arm-compiler-for-embedded-6-ac6-fast-models-fm-arm-co.md)
- **Published:** 27 Jul 2023
- **Updated:** 13 Feb 2025
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Arm) at 27 Jul 2023, 21:52 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Arm Ltd. Product: Arm Compiler 5 (AC5), Arm Compiler for Embedded 6 (AC6), Fast Models (FM), Arm Compiler for Embedded FuSA (ACEF), Arm Development Studio (ADS), Arm Forge (AF), Arm Mobile Studio (AMS), DS-5 Development Studio, Fast Models (FM), GNU Toolchain (GT), Keil MDK (KMDK), Mbed Studio (MS).
  - affected: `AC5 All Releases, AC6 Releases prior to 6.20, ACEF All Releases, ADS All Releases, AF Releases prior to 22.1, AMS All releases, DS5 All Releases, FM All Releases, GT All Releases, KMDK All Releases, MS All Releases`
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0019, the 9th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 27 Jul 2023, 22:15 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-43703)

## Sources

- [CVE List: CVE-2022-43703](https://www.cve.org/CVERecord?id=CVE-2022-43703)
- [NVD: CVE-2022-43703](https://nvd.nist.gov/vuln/detail/CVE-2022-43703)

### References from the CNA

- <https://developer.arm.com/documentation/ka005596/latest>
- <https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00930.html>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2022-43703>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2022-43703/>. Everything for agents: <https://agentprime.io/llms.txt>.