CVE-2023-49257

HIGHNVD 8.88.8—

8.8

An authenticated user is able to upload an arbitrary CGI-compatible file using the certificate upload utility and execute it with the root user privileges.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 17.9%
KEV: Not listed

Published

January 12, 2024

Last Modified

June 11, 2025

References (4)

cvd@certhttps://cert.pl/en/posts/2024/01/CVE-2023-49253/
cvd@certhttps://cert.pl/posts/2024/01/CVE-2023-49253/
af854a3a-2127-422b-91ae-364da2661108https://cert.pl/en/posts/2024/01/CVE-2023-49253/
af854a3a-2127-422b-91ae-364da2661108https://cert.pl/posts/2024/01/CVE-2023-49253/

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2023-49257?

CVE-2023-49257 is a high vulnerability published on January 12, 2024. An authenticated user is able to upload an arbitrary CGI-compatible file using the certificate upload utility and execute it with the root user privileges.

When was CVE-2023-49257 disclosed?

CVE-2023-49257 was first published in the National Vulnerability Database on January 12, 2024, with the most recent update on June 11, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-49257 actively exploited?

CVE-2023-49257 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 17.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-49257?

CVE-2023-49257 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2023-49257?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-49257, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-49257

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-49257?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)