CVE-2025-4673
CVE-2025-4673 is a medium-severity vulnerability with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 6.8)
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-18133
- Published:
- Last modified:
Description
Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.
Frequently asked questions
- What is CVE-2025-4673?
- Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.
- How severe is CVE-2025-4673?
- CVE-2025-4673 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2025-4673 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-4673?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-4673 have an EU (EUVD) identifier?
- Yes. CVE-2025-4673 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18133.
- When was CVE-2025-4673 published?
- CVE-2025-4673 was published on 2025-06-11 and last updated on 2026-06-17.