CVE-2024-21547
CVE-2024-21547 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v4: 7.7
- EPSS exploit prediction: 1% (56th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-3613
- Weakness: CWE-22
- Published:
- Last modified:
Description
Versions of the package spatie/browsershot before 5.0.2 are vulnerable to Directory Traversal due to URI normalisation in the browser where the file:// check can be bypassed with file:\\. An attacker could read any file on the server by exploiting the normalization of \ into /.
Frequently asked questions
- What is CVE-2024-21547?
- Versions of the package spatie/browsershot before 5.0.2 are vulnerable to Directory Traversal due to URI normalisation in the browser where the file:// check can be bypassed with file:\\. An attacker could read any file on the server by exploiting the normalization of \ into /.
- How severe is CVE-2024-21547?
- CVE-2024-21547 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2024-21547 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2024-21547?
- 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-2024-21547 have an EU (EUVD) identifier?
- Yes. CVE-2024-21547 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3613.
- When was CVE-2024-21547 published?
- CVE-2024-21547 was published on 2024-12-18 and last updated on 2026-06-17.
References
- https://gist.github.com/chuajianshen/baa71db588cfc038fb5d65624a47be81
- https://github.com/spatie/browsershot/commit/dfc3635b83dd980e5c39f8f8c73e87723b99ca01
- https://security.snyk.io/vuln/SNYK-PHP-SPATIEBROWSERSHOT-8501858
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