CVE-2023-23477

HIGHNVD 8.19.8▲

8.1

IBM WebSphere Application Server 8.5 and 9.0 traditional could allow a remote attacker to execute arbitrary code on the system with a specially crafted sequence of serialized objects. IBM X-Force ID: 245513.

CVSS v3: 8.1
EG Score: 9.8(medium)
EPSS: 38.8%
KEV: Not listed

Published

February 3, 2023

Last Modified

November 21, 2024

References (4)

psirt@ushttps://exchange.xforce.ibmcloud.com/vulnerabilities/245513
psirt@ushttps://www.ibm.com/support/pages/node/6891111
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/245513
af854a3a-2127-422b-91ae-364da2661108https://www.ibm.com/support/pages/node/6891111

Weakness Classification(1)

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

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 19× 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.

2026-06-07 15:23 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-23477?

CVE-2023-23477 is a high vulnerability published on February 3, 2023. IBM WebSphere Application Server 8.5 and 9.0 traditional could allow a remote attacker to execute arbitrary code on the system with a specially crafted sequence of serialized objects. IBM X-Force ID: 245513.

When was CVE-2023-23477 disclosed?

CVE-2023-23477 was first published in the National Vulnerability Database on February 3, 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-2023-23477 actively exploited?

CVE-2023-23477 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 38.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-23477?

CVE-2023-23477 has a CVSS v3 base score of 8.1 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.

How do I remediate CVE-2023-23477?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-23477, 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-2023-23477

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-23477?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)