CVE-2023-49259

HIGHNVD 7.57.5—

7.5

The authentication cookies are generated using an algorithm based on the username, hardcoded secret and the up-time, and can be guessed in a reasonable time.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 14.0%
KEV: Not listed

Published

January 12, 2024

Last Modified

June 20, 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 9× in last 7d / 9× 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.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 10:27 UTCEG score recompute
2026-05-24 10:27 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-49259?

CVE-2023-49259 is a high vulnerability published on January 12, 2024. The authentication cookies are generated using an algorithm based on the username, hardcoded secret and the up-time, and can be guessed in a reasonable time.

When was CVE-2023-49259 disclosed?

CVE-2023-49259 was first published in the National Vulnerability Database on January 12, 2024, with the most recent update on June 20, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-49259 actively exploited?

CVE-2023-49259 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-49259?

CVE-2023-49259 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-49259?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-49259, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-49259

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Is Your Infrastructure Affected by CVE-2023-49259?

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CVE-2023-49259

📅 Published

🔄 Last Modified

🔗 References (4)