CVE-2001-1263

Exp

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.

Published: 2001-06-06 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2001-1263 is rated High Exploit Risk (66/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.66%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2001-1263

EDB-ID Source Kind Published Link
20904 exploit_db edb 2001-06-06 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-1263

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 4.60% 4.66% +0.06%
2 2025-03-29 4.66% 4.60% -0.06%
3 2025-03-17 4.66%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-1263

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2001-1263

Affected software / configurations for CVE-2001-1263

Vendor Product Version Raw CPE
pragma_systems interaccess 4.0_build_5 cpe:2.3:a:pragma_systems:interaccess:4.0_build_5:*:*:*:*:*:*:*

References for CVE-2001-1263

cvelogic Threat Intelligence