Is CVE-2025-43933 in the CISA KEV catalog?

No. CVE-2025-43933 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-43933?

CVE-2025-43933 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2025-43933?

CVE-2025-43933 has an EPSS score of 0.37% (29th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-43933?

No published fix for CVE-2025-43933 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-43933

CRITICAL

9.8

CVSS v3

NVD

Description

fblog through 983bede allows account takeover via the password reset feature because SERVER_NAME is not configured and thus a reset depends on the Host HTTP header.

CWE-472

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.37%probability of exploitation in 30 days

29thpercentile

Low risk: more likely to be exploited than 29% of all known CVEs.

References

Other references2

Related Vulnerabilities

Other CWE-472 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-25153	Critical	9.8	42%	-	Fix
CVE-2025-6191	High	8.8	9.2%	-	Fix
CVE-2017-5261	High	8.8	8.9%	-	-
CVE-2025-7656	High	8.8	8.6%	-	Fix
CVE-2017-5260	High	8.8	8.1%	-	-
CVE-2025-10891	High	8.8	6.6%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-07-08.