How severe is CVE-2025-7777?

CVE-2025-7777 has a CVSS 3.x base score of 6.5, rated medium 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 none.

Is CVE-2025-7777 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-7777?

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

Does CVE-2025-7777 have an EU (EUVD) identifier?

Yes. CVE-2025-7777 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25272.

When was CVE-2025-7777 published?

CVE-2025-7777 was published on 2025-08-20 and last updated on 2026-06-17.

CVE-2025-7777

CVE-2025-7777 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25272
Weakness: CWE-601
Published: 2025-08-20
Last modified: 2026-06-17

Description

The mirror-registry doesn't properly sanitize the host header HTTP header in HTTP request received, allowing an attacker to perform malicious redirects to attacker-controlled domains or phishing campaigns.

Frequently asked questions

What is CVE-2025-7777?: The mirror-registry doesn't properly sanitize the host header HTTP header in HTTP request received, allowing an attacker to perform malicious redirects to attacker-controlled domains or phishing campaigns.
How severe is CVE-2025-7777?: CVE-2025-7777 has a CVSS 3.x base score of 6.5, rated medium 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 none.
Is CVE-2025-7777 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-7777?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-7777 have an EU (EUVD) identifier?: Yes. CVE-2025-7777 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25272.
When was CVE-2025-7777 published?: CVE-2025-7777 was published on 2025-08-20 and last updated on 2026-06-17.

References

Other CWE-601 (Open Redirect) vulnerabilities

CVE-2018-3774 — Critical (CVSS 10.0): Incorrect parsing in url-parse <1.4.3 returns wrong hostname which leads to multiple vulnerabilities such as SSRF, Open…
CVE-2019-25282 — Critical (CVSS 9.8): V-SOL GPON/EPON OLT Platform v2.03 contains an open redirect vulnerability in the script that allows attackers to…
CVE-2020-36912 — Critical (CVSS 9.8): Plexus anblick Digital Signage Management 3.1.13 contains an open redirect vulnerability in the 'PantallaLogin' script…
CVE-2025-43526 — Critical (CVSS 9.8): This issue was addressed with improved URL validation. This issue is fixed in Safari 26.2, macOS Tahoe 26.2. On a Mac…
CVE-2025-55031 — Critical (CVSS 9.8): Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An…
CVE-2024-22891 — Critical (CVSS 9.8): Nteract v.0.28.0 was discovered to contain a remote code execution (RCE) vulnerability via the Markdown link.

Browse all CWE-601 (Open Redirect) vulnerabilities →