CVE-2023-26756

HIGHNVD 7.57.5—Elevated

7.5

The login page of Revive Adserver v5.4.1 is vulnerable to brute force attacks. NOTE: The vendor's position is that this is effectively mitigated by rate limits and password-quality features.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 46.7%
KEV: Not listed

Published

April 14, 2023

Last Modified

November 21, 2024

References (8)

cve@mitrehttp://seclists.org/fulldisclosure/2024/Apr/27
cve@mitrehttps://googleinformationsworld.blogspot.com/2023/04/revive-adserver-541-vulnerable-to-brute.html
cve@mitrehttps://www.esecforte.com/login-page-brute-force-attack/
cve@mitrehttps://www.revive-adserver.com/security/response-to-cve-2023-26756/
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Apr/27
af854a3a-2127-422b-91ae-364da2661108https://googleinformationsworld.blogspot.com/2023/04/revive-adserver-541-vulnerable-to-brute.html
af854a3a-2127-422b-91ae-364da2661108https://www.esecforte.com/login-page-brute-force-attack/
af854a3a-2127-422b-91ae-364da2661108https://www.revive-adserver.com/security/response-to-cve-2023-26756/

Weakness Classification(1)

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

CWE-307Improper Restriction of Excessive Authentication Attempts

Data Freshness Timeline

(refreshed 12× 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.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
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 07:17 UTCepss_batch
2026-05-25 03:04 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-26756?

CVE-2023-26756 is a high vulnerability published on April 14, 2023. The login page of Revive Adserver v5.4.1 is vulnerable to brute force attacks. NOTE: The vendor's position is that this is effectively mitigated by rate limits and password-quality features.

When was CVE-2023-26756 disclosed?

CVE-2023-26756 was first published in the National Vulnerability Database on April 14, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-26756 actively exploited?

CVE-2023-26756 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 46.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-26756?

CVE-2023-26756 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-26756?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-26756, 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-2023-26756

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-26756?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (8)

Frequently asked(5)

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