How severe is CVE-2023-0909?

CVE-2023-0909 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2023-0909 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0909?

CVE-2023-0909 affects Notepad-- Project Notepad--. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0909?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-0909 published?

CVE-2023-0909 was published on 2023-02-18 and last updated on 2026-06-17.

CVE-2023-0909

CVE-2023-0909 is a low-severity vulnerability in Notepad-- Project Notepad-- with a CVSS 3.x base score of 3.3. 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-404.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-404
Affected product: Notepad-- Project Notepad--
Published: 2023-02-18
Last modified: 2026-06-17

Description

A vulnerability, which was classified as problematic, was found in cxasm notepad-- 1.22. This affects an unknown part of the component Directory Comparison Handler. The manipulation leads to denial of service. The attack needs to be approached locally. The associated identifier of this vulnerability is VDB-221475.

Frequently asked questions

What is CVE-2023-0909?: A vulnerability, which was classified as problematic, was found in cxasm notepad-- 1.22. This affects an unknown part of the component Directory Comparison Handler. The manipulation leads to denial of service. The attack needs to be approached locally. The associated identifier of this vulnerability is VDB-221475.
How severe is CVE-2023-0909?: CVE-2023-0909 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2023-0909 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0909?: CVE-2023-0909 affects Notepad-- Project Notepad--. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0909?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-0909 published?: CVE-2023-0909 was published on 2023-02-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:notepad--_project:notepad--:1.22:*:*:*:*:*:*:*

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