CVE-2001-0163

Exp

Cisco AP340 base station produces predictable TCP Initial Sequence Numbers (ISNs), which allows remote attackers to spoof or hijack TCP connections.

Published: 2001-01-01 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-0163 is rated High Exploit Risk (65.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.80%). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.31% over the last day, indicating growing attacker interest. 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-2001-0163

EDB-ID Source Kind Published Link
19522 exploit_db edb 1999-09-27 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-0163

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 2026-06-15 0.49% 2.80% +2.31%
2 2026-03-09 0.67% 0.49% -0.18%
3 2025-03-30 — 0.67% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0163

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 6.4 [email protected]

Weakness enumeration for CVE-2001-0163

Affected software / configurations for CVE-2001-0163

Vendor Product Version Raw CPE
cisco aironet_ap340 — cpe:2.3:h:cisco:aironet_ap340:*:*:*:*:*:*:*:*

References for CVE-2001-0163

URL Tags
http://www.cs.jhu.edu/~seny/pubs/wince802.pdf Exploit Vendor Advisory
cvelogic Threat Intelligence