Incomplete verification of installation file signature

published 2023-07-27 3y ago modified 2026-06-17 4mo ago also EUVD-2022-46685

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits: 0; none known

An installer that loads or executes files using an unconstrained search path may be vulnerable to substitute files under control of an attacker being loaded or executed instead of the intended files.

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Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

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)

Classification

Weakness

CWE-427 Uncontrolled Search Path Element

References

Sources

CVE List CVE-2022-43703
NVD CVE-2022-43703

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