How severe is CVE-2023-4409?

CVE-2023-4409 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-4409 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4409?

CVE-2023-4409 affects Happysoft Nbs&happysoftwechat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4409?

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

When was CVE-2023-4409 published?

CVE-2023-4409 was published on 2023-08-18 and last updated on 2026-06-17.

CVE-2023-4409

CVE-2023-4409 is a medium-severity vulnerability in Happysoft Nbs&happysoftwechat with a CVSS 3.x base score of 6.3. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Happysoft Nbs&happysoftwechat
Published: 2023-08-18
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, has been found in NBS&HappySoftWeChat 1.1.6. Affected by this issue is some unknown functionality. The manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-237512.

Frequently asked questions

What is CVE-2023-4409?: A vulnerability, which was classified as critical, has been found in NBS&HappySoftWeChat 1.1.6. Affected by this issue is some unknown functionality. The manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-237512.
How severe is CVE-2023-4409?: CVE-2023-4409 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-4409 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4409?: CVE-2023-4409 affects Happysoft Nbs&happysoftwechat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4409?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4409 published?: CVE-2023-4409 was published on 2023-08-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:happysoft:nbs\&happysoftwechat:1.1.6:*:*:*:*:*:*:*

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