CVE-2008-5730

Exp

Multiple CRLF injection vulnerabilities in AIST NetCat 3.12 and earlier allow remote attackers to have an unknown impact via unspecified vectors involving (1) a %0a sequence in a cookie and (2) the add.php file.

Published: 2008-12-26 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-5730 is rated High Exploit Risk (77/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.40%). 2 public exploit reference(s) are indexed (Exploit-DB). 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-2008-5730

EDB-ID Source Kind Published Link
7560 exploit_db edb 2008-12-23 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2008-5730

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 2026-02-15 3.47% 4.40% +0.93%
2 2025-12-29 1.92% 3.47% +1.55%
3 2025-12-26 — 1.92% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-5730

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2008-5730

Affected software / configurations for CVE-2008-5730

Vendor Product Version Raw CPE
netcat netcat <= 3.12 cpe:2.3:a:netcat:netcat:*:*:*:*:*:*:*:*
netcat netcat 1.1 cpe:2.3:a:netcat:netcat:1.1:*:*:*:*:*:*:*
netcat netcat 2.0 cpe:2.3:a:netcat:netcat:2.0:*:*:*:*:*:*:*
netcat netcat 2.1 cpe:2.3:a:netcat:netcat:2.1:*:*:*:*:*:*:*
netcat netcat 2.2 cpe:2.3:a:netcat:netcat:2.2:*:*:*:*:*:*:*
netcat netcat 2.3 cpe:2.3:a:netcat:netcat:2.3:*:*:*:*:*:*:*
netcat netcat 2.4 cpe:2.3:a:netcat:netcat:2.4:*:*:*:*:*:*:*
netcat netcat 3.0 cpe:2.3:a:netcat:netcat:3.0:*:*:*:*:*:*:*

References for CVE-2008-5730

cvelogic Threat Intelligence