CVE-2006-5521

Exp

PHP remote file inclusion vulnerability in DNS/RR.php in Net_DNS 0.03 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the phpdns_basedir parameter.

Published: 2006-10-26 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-5521 is rated High Exploit Risk (70.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.14%). 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-2006-5521

EDB-ID Source Kind Published Link
2614 exploit_db edb 2006-10-22 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-5521

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 8.81% 3.14% -5.67%
2 2025-09-08 8.58% 8.81% +0.23%
3 2025-06-14 — 8.58% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-5521

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-2006-5521

OS Trackers for CVE-2006-5521

vendor priority summary link
alpine — CVE-2006-5521: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-5521

Affected software / configurations for CVE-2006-5521

Vendor Product Version Raw CPE
net_dns net_dns <= 0.03 cpe:2.3:a:net_dns:net_dns:*:*:*:*:*:*:*:*

References for CVE-2006-5521

cvelogic Threat Intelligence