Cyber Resilience

CVE-2023-0426

Memory Safety in Abb Ac700F Firmware 9.0.0 – 9.2.0

Memory Safety
Published
07 August 2023
Modified
21 November 2024
Patch / advisory
View advisory
CVSS Score v3.1 8.6
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
EPSS Score 0.0048 39th percentile
Risk Priority 64 floored blend · peak EPSS

Summary

CVE-2023-0426 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Abb Ac700F Firmware. Its CVSS base score is 8.6 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 39th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

ABB is aware of vulnerabilities in the product versions listed below. An update is available that resolves the reported vulnerabilities in the product versions under maintenance. An attacker who successfully exploited one or more of these vulnerabilities could cause the…

more

product to stop or make the product inaccessible. Stack-based Buffer Overflow vulnerability in ABB Freelance controllers AC 700F (conroller modules), ABB Freelance controllers AC 900F (controller modules).This issue affects: Freelance controllers AC 700F: from 9.0;0 through V9.2 SP2, through Freelance 2013, through Freelance 2013SP1, through Freelance 2016, through Freelance 2016SP1, through Freelance 2019 , through Freelance 2019 SP1, through Freelance 2019 SP1 FP1; Freelance controllers AC 900F: through Freelance 2013, through Freelance 2013SP1, through Freelance 2016, through Freelance 2016SP1, through Freelance 2019, through Freelance 2019 SP1, through Freelance 2019 SP1 FP1.

CWE(s)
CWE-121

Related Threats

MITRE ATT&CK Enterprise Techniques

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
T1210 Exploitation of Remote Services Lateral Movement
Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.
attack.mitre.org →
T1212 Exploitation for Credential Access Credential Access
Adversaries may exploit software vulnerabilities in an attempt to collect credentials.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-0425Same product: Abb Ac700F
CVE-2024-51550Same vendor: Abb
CVE-2024-51554Same vendor: Abb
CVE-2024-6298Same vendor: Abb
CVE-2024-3036Same vendor: Abb
CVE-2024-1913Same vendor: Abb
CVE-2019-7232Same vendor: Abb
CVE-2023-3324Same vendor: Abb
CVE-2024-21054Shared CWE-121
CVE-2026-43831Shared CWE-121

Affected Assets

abb
ac700f firmware
9.2.0 · 9.0.0 — 9.2.0
abb
freelance 2013
all versions
abb
freelance 2016
all versions
abb
freelance 2019
all versions

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)
  • 2 hardening rules · 2 OS baselines
Validate
Prove the fix (OWASP ASVS)

—

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure-development practices directly prevent introduction of stack buffer overflows.

ID.RA-01 partial match
prevents

Vulnerability scanning can discover stack buffer overflows but does not prevent their introduction.

PR.PS-02 partial match
prevents

Patching eliminates known instances of the weakness after discovery.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing (fuzzing, static analysis) detects stack overflows before release.

A.8.25 Secure development life cycle partial match
prevents

Secure SDLC mandates buffer-safety practices that directly prevent stack overflows.

A.8.26 Application security requirements partial match
prevents

Application security requirements can specify buffer-size and input-validation rules.

A.8.27 Secure system architecture and engineering principles partial match
prevents

Secure architecture principles include memory-safety and least-privilege stack usage.

A.8.28 Secure coding partial match
prevents

Secure coding standards explicitly forbid unsafe buffer handling that causes CWE-121.

A.8.32 Change management none match
none

Change-management gates can enforce security reviews that catch buffer issues.

Hardening callouts derived

Configuration rules from DISA STIG baselines that bear on weaknesses of the type cited by this CVE. Each rule is shown with the relationship its mapping actually records, against the CWE it was authored against. Derived via CVE→CWE over `controls_xwalks` (authoritative rows only; rows rated `none` are excluded).

Oracle Linux 8 (1 rule)
  • V-248594 OL 8 must implement address space layout randomization (ASLR) to protect its memory from unauthorized code execution. prevents CWE-121
Oracle Linux 9 (1 rule)
  • V-271452 OL 9 must use a Linux Security Module configured to enforce limits on system services. prevents CWE-121

References