CVE-2011-5033

Exp

Stack-based buffer overflow in CFS.c in ConfigServer Security & Firewall (CSF) before 5.43, when running on a DirectAdmin server, allows local users to cause a denial of service (crash) via a long string in an admin.list file.

Published: 2011-12-29 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-5033 is rated Exploit Available (55.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.55%). 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-2011-5033

EDB-ID Source Kind Published Link
18225 exploit_db edb 2011-12-09 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-5033

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 2025-11-19 0.69% 0.55% -0.13%
2 2025-09-19 0.15% 0.69% +0.54%
3 2025-03-17 — 0.15% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-5033

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.4 2.0 MEDIUM
AV:L/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
 3.4 6.4 [email protected]

Weakness enumeration for CVE-2011-5033

Affected software / configurations for CVE-2011-5033

Vendor Product Version Raw CPE
configserver configserver_security_firewall <= 5.42 cpe:2.3:a:configserver:configserver_security_firewall:*:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.00 cpe:2.3:a:configserver:configserver_security_firewall:5.00:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.01 cpe:2.3:a:configserver:configserver_security_firewall:5.01:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.02 cpe:2.3:a:configserver:configserver_security_firewall:5.02:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.03 cpe:2.3:a:configserver:configserver_security_firewall:5.03:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.04 cpe:2.3:a:configserver:configserver_security_firewall:5.04:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.05 cpe:2.3:a:configserver:configserver_security_firewall:5.05:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.06 cpe:2.3:a:configserver:configserver_security_firewall:5.06:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.07 cpe:2.3:a:configserver:configserver_security_firewall:5.07:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.08 cpe:2.3:a:configserver:configserver_security_firewall:5.08:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.09 cpe:2.3:a:configserver:configserver_security_firewall:5.09:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.10 cpe:2.3:a:configserver:configserver_security_firewall:5.10:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.11 cpe:2.3:a:configserver:configserver_security_firewall:5.11:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.12 cpe:2.3:a:configserver:configserver_security_firewall:5.12:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.13 cpe:2.3:a:configserver:configserver_security_firewall:5.13:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.14 cpe:2.3:a:configserver:configserver_security_firewall:5.14:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.15 cpe:2.3:a:configserver:configserver_security_firewall:5.15:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.16 cpe:2.3:a:configserver:configserver_security_firewall:5.16:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.17 cpe:2.3:a:configserver:configserver_security_firewall:5.17:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.18 cpe:2.3:a:configserver:configserver_security_firewall:5.18:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.19 cpe:2.3:a:configserver:configserver_security_firewall:5.19:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.20 cpe:2.3:a:configserver:configserver_security_firewall:5.20:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.21 cpe:2.3:a:configserver:configserver_security_firewall:5.21:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.22 cpe:2.3:a:configserver:configserver_security_firewall:5.22:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.30 cpe:2.3:a:configserver:configserver_security_firewall:5.30:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.31 cpe:2.3:a:configserver:configserver_security_firewall:5.31:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.32 cpe:2.3:a:configserver:configserver_security_firewall:5.32:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.33 cpe:2.3:a:configserver:configserver_security_firewall:5.33:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.34 cpe:2.3:a:configserver:configserver_security_firewall:5.34:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.35 cpe:2.3:a:configserver:configserver_security_firewall:5.35:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.36 cpe:2.3:a:configserver:configserver_security_firewall:5.36:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.37 cpe:2.3:a:configserver:configserver_security_firewall:5.37:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.38 cpe:2.3:a:configserver:configserver_security_firewall:5.38:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.39 cpe:2.3:a:configserver:configserver_security_firewall:5.39:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.40 cpe:2.3:a:configserver:configserver_security_firewall:5.40:*:*:*:*:*:*:*
configserver configserver_security_firewall 5.41 cpe:2.3:a:configserver:configserver_security_firewall:5.41:*:*:*:*:*:*:*

References for CVE-2011-5033

cvelogic Threat Intelligence