CVE-2023-49262

CRITICALNVD 9.89.8—

9.8

The authentication mechanism can be bypassed by overflowing the value of the Cookie "authentication" field, provided there is an active user session.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 6.0%
KEV: Not listed

Published

January 12, 2024

Last Modified

June 3, 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 16× 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-2023-49262?

CVE-2023-49262 is a critical vulnerability published on January 12, 2024. The authentication mechanism can be bypassed by overflowing the value of the Cookie "authentication" field, provided there is an active user session.

When was CVE-2023-49262 disclosed?

CVE-2023-49262 was first published in the National Vulnerability Database on January 12, 2024, with the most recent update on June 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-49262 actively exploited?

CVE-2023-49262 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-49262?

CVE-2023-49262 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-49262?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-49262, 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-2023-49262

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-49262?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)