CVE-2018-18999

HIGHNVD 7.37.3—

7.3

WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper validation of user supplied input may allow an attacker to cause the overflow of a buffer on the stack.

CVSS v3: 7.3
EG Score: 7.3(medium)
EPSS: 59.7%
KEV: Not listed

Published

December 19, 2018

Last Modified

November 21, 2024

References (6)

ics-cert@hqhttp://www.securityfocus.com/bid/106245
ics-cert@hqhttps://ics-cert.us-cert.gov/advisories/ICSA-18-352-02
ics-cert@hqhttps://www.tenable.com/security/research/tra-2018-45
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/106245
af854a3a-2127-422b-91ae-364da2661108https://ics-cert.us-cert.gov/advisories/ICSA-18-352-02
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/research/tra-2018-45

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 19× 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.

2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 00:10 UTCEG score recompute
2026-05-28 00:10 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2018-18999?

CVE-2018-18999 is a high vulnerability published on December 19, 2018. WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper validation of user supplied input may allow an attacker to cause the overflow of a buffer on the stack.

When was CVE-2018-18999 disclosed?

CVE-2018-18999 was first published in the National Vulnerability Database on December 19, 2018, 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-2018-18999 actively exploited?

CVE-2018-18999 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 59.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-18999?

CVE-2018-18999 has a CVSS v3 base score of 7.3 (NVD).

How do I remediate CVE-2018-18999?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-18999, 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-2018-18999

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-18999?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)