How severe is CVE-2023-0434?

CVE-2023-0434 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-0434 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0434?

CVE-2023-0434 primarily affects Pyload. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-0434?

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-2023-0434 published?

CVE-2023-0434 was published on 2023-01-22 and last updated on 2026-06-17.

CVE-2023-0434

CVE-2023-0434 is a high-severity vulnerability in Pyload with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Pyload
Published: 2023-01-22
Last modified: 2026-06-17

Description

Improper Input Validation in GitHub repository pyload/pyload prior to 0.5.0b3.dev40.

Frequently asked questions

What is CVE-2023-0434?: Improper Input Validation in GitHub repository pyload/pyload prior to 0.5.0b3.dev40.
How severe is CVE-2023-0434?: CVE-2023-0434 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-0434 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0434?: CVE-2023-0434 primarily affects Pyload. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-0434?: 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-2023-0434 published?: CVE-2023-0434 was published on 2023-01-22 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:pyload:pyload:*:*:*:*:*:*:*:*
cpe:2.3:a:pyload:pyload:0.5.0:beta1:*:*:*:*:*:*
cpe:2.3:a:pyload:pyload:0.5.0:beta2:*:*:*:*:*:*

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