How severe is CVE-2025-43930?

CVE-2025-43930 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-43930 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-43930?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-43930 have an EU (EUVD) identifier?

Yes. CVE-2025-43930 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20244.

When was CVE-2025-43930 published?

CVE-2025-43930 was published on 2025-07-07 and last updated on 2026-06-17.

CVE-2025-43930

CVE-2025-43930 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-472.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20244
Weakness: CWE-472
Published: 2025-07-07
Last modified: 2026-06-17

Description

Hashview 0.8.1 allows account takeover via the password reset feature because SERVER_NAME is not configured and thus a reset depends on the Host HTTP header.

Frequently asked questions

What is CVE-2025-43930?: Hashview 0.8.1 allows account takeover via the password reset feature because SERVER_NAME is not configured and thus a reset depends on the Host HTTP header.
How severe is CVE-2025-43930?: CVE-2025-43930 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-43930 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-43930?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-43930 have an EU (EUVD) identifier?: Yes. CVE-2025-43930 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20244.
When was CVE-2025-43930 published?: CVE-2025-43930 was published on 2025-07-07 and last updated on 2026-06-17.

References

Other CWE-472 vulnerabilities

CVE-2025-43933 — Critical (CVSS 9.8): fblog through 983bede allows account takeover via the password reset feature because SERVER_NAME is not configured and…
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CVE-2021-1291 — Critical (CVSS 9.8): Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV160, RV160W, RV260, RV260P,…

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