CVE-2001-1263

NONECVSS 0.0Weaponized

0.0

telnet95.exe in Pragma InterAccess 4.0 build 5 allows remote attackers to cause a denial of service (crash) via a large number of characters to port 23, possibly due to a buffer overflow.

CVSS v3: —
EG Score: —
EPSS: 89.5%
KEV: Not listed

Published

June 6, 2001

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://online.securityfocus.com/archive/1/189327
cve@mitrehttp://www.securityfocus.com/bid/2834
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/6658
af854a3a-2127-422b-91ae-364da2661108http://online.securityfocus.com/archive/1/189327
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/2834
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/6658

Data Freshness Timeline

(refreshed 13× 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.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
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2026-05-26 07:16 UTCepss_batch
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2026-05-18 21:29 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-20904✓ verified
First seen Jun 6, 2001
Pragma Systems InterAccess TelnetD Server 4.0 - Denial of Service
Open source ↗

Frequently asked(4)

What is CVE-2001-1263?

CVE-2001-1263 is a none vulnerability published on June 6, 2001. telnet95.exe in Pragma InterAccess 4.0 build 5 allows remote attackers to cause a denial of service (crash) via a large number of characters to port 23, possibly due to a buffer overflow.

When was CVE-2001-1263 disclosed?

CVE-2001-1263 was first published in the National Vulnerability Database on June 6, 2001, 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-2001-1263 actively exploited?

CVE-2001-1263 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2001-1263?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2001-1263, 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-2001-1263

📅 Published

🔄 Last Modified

🔗 References (6)