CVE-1999-1030

NONECVSS 0.0Weaponized

0.0

counter.exe 2.70 allows a remote attacker to cause a denial of service (hang) via an HTTP request that ends in %0A (newline), which causes a malformed entry in the counter log that produces an access violation.

CVSS v3: —
EG Score: —
EPSS: 89.6%
KEV: Not listed

Published

May 19, 1999

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://marc.info/?l=bugtraq&m=92713790426690&w=2
cve@mitrehttp://marc.info/?l=ntbugtraq&m=92707671717292&w=2
cve@mitrehttp://www.securityfocus.com/bid/267
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=92713790426690&w=2
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=ntbugtraq&m=92707671717292&w=2
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/267

Data Freshness Timeline

(refreshed 13× 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.

2026-05-29 13:40 UTCepss_batch
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2026-05-26 07:16 UTCepss_batch
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-19212✓ verified
First seen May 19, 1999
Behold! Software Web Page Counter 2.7 - Denial of Service
Open source ↗

Frequently asked(4)

What is CVE-1999-1030?

CVE-1999-1030 is a none vulnerability published on May 19, 1999. counter.exe 2.70 allows a remote attacker to cause a denial of service (hang) via an HTTP request that ends in %0A (newline), which causes a malformed entry in the counter log that produces an access violation.

When was CVE-1999-1030 disclosed?

CVE-1999-1030 was first published in the National Vulnerability Database on May 19, 1999, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-1999-1030 actively exploited?

CVE-1999-1030 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-1999-1030?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-1999-1030, 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.

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CVE-1999-1030

📅 Published

🔄 Last Modified

🔗 References (6)