How severe is CVE-2023-22317?

CVE-2023-22317 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-22317 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22317?

CVE-2023-22317 affects Omron Cx-programmer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22317?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-22317 published?

CVE-2023-22317 was published on 2023-08-03 and last updated on 2026-06-17.

CVE-2023-22317

CVE-2023-22317 is a high-severity vulnerability in Omron Cx-programmer with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Omron Cx-programmer
Published: 2023-08-03
Last modified: 2026-06-17

Description

Use after free vulnerability exists in CX-Programmer Ver.9.79 and earlier. By having a user open a specially crafted CXP file, information disclosure and/or arbitrary code execution may occur. This vulnerability is different from CVE-2023-22277 and CVE-2023-22314.

Frequently asked questions

What is CVE-2023-22317?: Use after free vulnerability exists in CX-Programmer Ver.9.79 and earlier. By having a user open a specially crafted CXP file, information disclosure and/or arbitrary code execution may occur. This vulnerability is different from CVE-2023-22277 and CVE-2023-22314.
How severe is CVE-2023-22317?: CVE-2023-22317 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-22317 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22317?: CVE-2023-22317 affects Omron Cx-programmer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22317?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-22317 published?: CVE-2023-22317 was published on 2023-08-03 and last updated on 2026-06-17.

References

https://jvn.jp/en/vu/JVNVU92877622/

Affected products (1)

cpe:2.3:a:omron:cx-programmer:*:*:*:*:*:*:*:*

More vulnerabilities in Omron Cx-programmer

CVE-2015-0987 — Critical (CVSS 10.0): Omron CX-One CX-Programmer before 9.6, CJ2M PLC devices before 2.1, and CJ2H PLC devices before 1.5 rely on cleartext…
CVE-2023-22277 — High (CVSS 7.8): Use after free vulnerability exists in CX-Programmer Ver.9.79 and earlier. By having a user open a specially crafted…
CVE-2023-22314 — High (CVSS 7.8): Use after free vulnerability exists in CX-Programmer Ver.9.79 and earlier. By having a user open a specially crafted…
CVE-2023-38748 — High (CVSS 7.8): Use after free vulnerability exists in CX-Programmer Included in CX-One CXONE-AL[][]D-V4 V9.80 and earlier. By having a…
CVE-2023-38747 — High (CVSS 7.8): Heap-based buffer overflow vulnerability exists in CX-Programmer Included in CX-One CXONE-AL[][]D-V4 V9.80 and earlier.…
CVE-2023-38746 — High (CVSS 7.8): Out-of-bounds read vulnerability/issue exists in CX-Programmer Included in CX-One CXONE-AL[][]D-V4 V9.80 and earlier.…

All CVEs affecting Omron Cx-programmer →

Other CWE-416 (Use After Free) vulnerabilities

CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…

Browse all CWE-416 (Use After Free) vulnerabilities →