CVE-2023-5778
HIGHCVE-2023-5778 is a high-severity (CVSS 7.5) CWE-130 vulnerability. No vendor fix is recorded yet; mitigation options are listed below.
Improper handling of length parameter inconsistency vulnerability in ABB Freelance Controller DCP, ABB Freelance Controller AC700, ABB Freelance Controller AC800, and ABB Freelance…
Exploitation Status
No confirmed exploitation observed yet
- CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
- CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.
Exploitation and automatability from CISA’s SSVC triage for CVE-2023-5778.
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
How urgent is this, really
CVE-2023-5778 plotted by exploitation likelihood (EPSS) against impact (CVSS). The shaded corner — EPSS 50%+ and CVSS 7.0+ — is where this CVE doesn't sit, though severity or exploitability alone can still warrant action.
Where this sits among everything scored
Of 377,166 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Real counts from FIRST.org, not a sample — log-scaled since the landscape is heavily right-skewed.
Description
Improper handling of length parameter inconsistency vulnerability in ABB Freelance Controller DCP, ABB Freelance Controller AC700, ABB Freelance Controller AC800, and ABB Freelance Controller AC900.
This issue affects Freelance Controller DCP: through 2013, 2013 SP1, 2016, 2016 SP1, 2019, and 2019 SP1; Freelance Controller AC700: through 2013, 2013 SP1, 2016, 2016 SP1, 2019, and 2019 SP1; Freelance Controller AC800: through 2013, 2013 SP1, 2016, 2016 SP1, 2019, and 2019 SP1; Freelance Controller AC900: through 2013, 2013 SP1, 2016, 2016 SP1, 2019, and 2019 SP1.
Detection & mitigation playbook
VulnerabilityDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for the affected component, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Remediation status
No patched version of the affected component has shipped for CVE-2023-5778 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.
Mitigate without a patch
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like CVE-2023-5778 can be triaged on real exposure rather than presence alone.
Tailored to CVE-2023-5778. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is CVE-2023-5778 in your dependencies?
O3 Security finds CVE-2023-5778 across dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.