How severe is CVE-2025-3847?

CVE-2025-3847 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-3847 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3847?

CVE-2025-3847 affects Markparticle Webserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3847?

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.

Does CVE-2025-3847 have an EU (EUVD) identifier?

Yes. CVE-2025-3847 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12343.

When was CVE-2025-3847 published?

CVE-2025-3847 was published on 2025-04-21 and last updated on 2026-06-17.

CVE-2025-3847

CVE-2025-3847 is a high-severity vulnerability in Markparticle Webserver with a CVSS 3.x base score of 7.3. 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-89.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 6.9
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12343
Weakness: CWE-89
Affected product: Markparticle Webserver
Published: 2025-04-21
Last modified: 2026-06-17

Description

A vulnerability classified as critical has been found in markparticle WebServer up to 1.0. This affects an unknown part of the file code/http/httprequest.cpp of the component Login. The manipulation of the argument username/password leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-3847?: A vulnerability classified as critical has been found in markparticle WebServer up to 1.0. This affects an unknown part of the file code/http/httprequest.cpp of the component Login. The manipulation of the argument username/password leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-3847?: CVE-2025-3847 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-3847 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3847?: CVE-2025-3847 affects Markparticle Webserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3847?: 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.
Does CVE-2025-3847 have an EU (EUVD) identifier?: Yes. CVE-2025-3847 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12343.
When was CVE-2025-3847 published?: CVE-2025-3847 was published on 2025-04-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:markparticle:webserver:-:*:*:*:*:*:*:*

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