How severe is CVE-2025-6375?

CVE-2025-6375 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-2025-6375 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6375?

CVE-2025-6375 affects Pocoproject Poco. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6375?

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

Does CVE-2025-6375 have an EU (EUVD) identifier?

Yes. CVE-2025-6375 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18796.

When was CVE-2025-6375 published?

CVE-2025-6375 was published on 2025-06-21 and last updated on 2026-06-17.

CVE-2025-6375

CVE-2025-6375 is a low-severity vulnerability in Pocoproject Poco 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-476.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18796
Weakness: CWE-476
Affected product: Pocoproject Poco
Published: 2025-06-21
Last modified: 2026-06-17

Description

A vulnerability was found in poco up to 1.14.1. It has been rated as problematic. Affected by this issue is the function MultipartInputStream of the file Net/src/MultipartReader.cpp. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. Upgrading to version 1.14.2 is able to address this issue. The patch is identified as 6f2f85913c191ab9ddfb8fae781f5d66afccf3bf. It is recommended to upgrade the affected component.

Frequently asked questions

What is CVE-2025-6375?: A vulnerability was found in poco up to 1.14.1. It has been rated as problematic. Affected by this issue is the function MultipartInputStream of the file Net/src/MultipartReader.cpp. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. Upgrading to version 1.14.2 is able to address this issue. The patch is identified as 6f2f85913c191ab9ddfb8fae781f5d66afccf3bf. It is recommended to upgrade the affected component.
How severe is CVE-2025-6375?: CVE-2025-6375 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-2025-6375 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6375?: CVE-2025-6375 affects Pocoproject Poco. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6375?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-6375 have an EU (EUVD) identifier?: Yes. CVE-2025-6375 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18796.
When was CVE-2025-6375 published?: CVE-2025-6375 was published on 2025-06-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pocoproject:poco:*:*:*:*:*:*:*:*

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