CVE-2022-43702

Incomplete verification of installation file signature

HIGH

7.8

CVSS Score

Published: July 27, 2023 at 09:47 PM UTC

Updated: June 17, 2026 at 05:07 AM UTC

12 products affected across 1 vendorArm Development StudioArm CompilerArm Compiler for Embedded Fusa

Using 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) by Arm Ltd?

Get instant alerts when new vulnerabilities affect 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) - before attackers find them.

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Severity

HIGH7.8

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

When the directory containing the installer does not have sufficiently restrictive file permissions, an attacker can modify (or replace) the installer to execute malicious code.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Arm Compiler · Arm

95%

v < 6.205.00 ≤ v ≤ 5.066.00 ≤ v < 6.18

Affected range stops below 6.18, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.20, so it looks safe — our inference, not a vendor statement

Arm Compiler for Embedded Fusa · Arm

95%

v < 6.206.16

Affected range stops below 6.20, so it looks safe — our inference, not a vendor statement

Arm Compiler for Functional Safety · Arm

95%

6.6 ≤ v < 6.6.5

Affected range stops below 6.6.5, so it looks safe — our inference, not a vendor statement

Arm Development Studio · Arm

95%

v < 6.20

Affected range stops below 6.20, so it looks safe — our inference, not a vendor statement

Ds Development Studio · Arm

95%

v < 6.205.0.0 ≤ v ≤ 5.29.3

Affected range stops below 6.20, so it looks safe — our inference, not a vendor statement

Fast Models · Arm

95%

v < 6.20

Affected range stops below 6.20, so it looks safe — our inference, not a vendor statement

Arm Compiler for Embedded · Arm

60%

v < 6.20

Affected range stops below 6.20, so it looks safe — our inference, not a vendor statement

Arm Mobile Studio · Arm

60%

v < 6.20

Affected range stops below 6.20, so it looks safe — our inference, not a vendor statement

Gnu Toolchain · Arm

60%

v < 6.20

Affected range stops below 6.20, so it looks safe — our inference, not a vendor statement

Keil Mdk · Arm

60%

v < 6.20

Affected range stops below 6.20, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://developer.arm.com/documentation/ka005596/latest

References (2)

Vendor Advisory

Source: [email protected]

https://developer.arm.com/documentation/ka005596/latest

Source: [email protected]

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00930.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-284CWE-276

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