How severe is CVE-2023-51075?

CVE-2023-51075 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-2023-51075 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51075?

CVE-2023-51075 affects Hutool. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51075?

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-2023-51075 published?

CVE-2023-51075 was published on 2023-12-27 and last updated on 2026-06-17.

CVE-2023-51075

CVE-2023-51075 is a high-severity vulnerability in Hutool 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-835.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-835
Affected product: Hutool
Published: 2023-12-27
Last modified: 2026-06-17

Description

hutool-core v5.8.23 was discovered to contain an infinite loop in the StrSplitter.splitByRegex function. This vulnerability allows attackers to cause a Denial of Service (DoS) via manipulation of the first two parameters.

Frequently asked questions

What is CVE-2023-51075?: hutool-core v5.8.23 was discovered to contain an infinite loop in the StrSplitter.splitByRegex function. This vulnerability allows attackers to cause a Denial of Service (DoS) via manipulation of the first two parameters.
How severe is CVE-2023-51075?: CVE-2023-51075 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-2023-51075 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51075?: CVE-2023-51075 affects Hutool. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51075?: 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-2023-51075 published?: CVE-2023-51075 was published on 2023-12-27 and last updated on 2026-06-17.

References

https://github.com/dromara/hutool/issues/3421

Affected products (1)

cpe:2.3:a:hutool:hutool:*:*:*:*:*:*:*:*

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