CVE-2023-40998

HIGHNVD 7.57.5—

7.5

Buffer Overflow vulnerability in O-RAN Software Community ric-plt-lib-rmr v.4.9.0 allows a remote attacker to cause a denial of service via the packet size component.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 77.1%
KEV: Not listed

Published

August 28, 2023

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://jira.o-ran-sc.org/browse/RIC-989
cve@mitrehttps://www.trendmicro.com/en_us/research/23/l/the-current-state-of-open-ran-security.html
af854a3a-2127-422b-91ae-364da2661108https://jira.o-ran-sc.org/browse/RIC-989
af854a3a-2127-422b-91ae-364da2661108https://www.trendmicro.com/en_us/research/23/l/the-current-state-of-open-ran-security.html

Weakness Classification(1)

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

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

Data Freshness Timeline

(refreshed 17× 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-2023-40998?

CVE-2023-40998 is a high vulnerability published on August 28, 2023. Buffer Overflow vulnerability in O-RAN Software Community ric-plt-lib-rmr v.4.9.0 allows a remote attacker to cause a denial of service via the packet size component.

When was CVE-2023-40998 disclosed?

CVE-2023-40998 was first published in the National Vulnerability Database on August 28, 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-2023-40998 actively exploited?

CVE-2023-40998 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-40998?

CVE-2023-40998 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-40998?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-40998, 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-2023-40998

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-40998?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)