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TI-2011-04310 Aliases CVE-2011-5033GHSA-rf2x-23jg-qfw8

Stack-based buffer overflow in CFS.c in ConfigServer Security & Firewall (CSF) before…

Priority LOW 22CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.00683 52nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 37

CPEVersionsRoleVendor
cpe:2.3:a:configserver:configserver_security_firewall:*:*:*:*:*:*:*:*up to 5.42VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.00:*:*:*:*:*:*:*5.00VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.01:*:*:*:*:*:*:*5.01VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.02:*:*:*:*:*:*:*5.02VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.03:*:*:*:*:*:*:*5.03VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.04:*:*:*:*:*:*:*5.04VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.05:*:*:*:*:*:*:*5.05VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.06:*:*:*:*:*:*:*5.06VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.07:*:*:*:*:*:*:*5.07VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.08:*:*:*:*:*:*:*5.08VulnerableConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:*:*:*:*:*:*:*:* Versions up to 5.42 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.00:*:*:*:*:*:*:* Versions 5.00 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.01:*:*:*:*:*:*:* Versions 5.01 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.02:*:*:*:*:*:*:* Versions 5.02 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.03:*:*:*:*:*:*:* Versions 5.03 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.04:*:*:*:*:*:*:* Versions 5.04 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.05:*:*:*:*:*:*:* Versions 5.05 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.06:*:*:*:*:*:*:* Versions 5.06 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.07:*:*:*:*:*:*:* Versions 5.07 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.08:*:*:*:*:*:*:* Versions 5.08 Vulnerable ·ConfigServer
Show 27 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:configserver:configserver_security_firewall:5.09:*:*:*:*:*:*:*5.09VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.10:*:*:*:*:*:*:*5.10VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.11:*:*:*:*:*:*:*5.11VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.12:*:*:*:*:*:*:*5.12VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.13:*:*:*:*:*:*:*5.13VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.14:*:*:*:*:*:*:*5.14VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.15:*:*:*:*:*:*:*5.15VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.16:*:*:*:*:*:*:*5.16VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.17:*:*:*:*:*:*:*5.17VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.18:*:*:*:*:*:*:*5.18VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.19:*:*:*:*:*:*:*5.19VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.20:*:*:*:*:*:*:*5.20VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.21:*:*:*:*:*:*:*5.21VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.22:*:*:*:*:*:*:*5.22VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.30:*:*:*:*:*:*:*5.30VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.31:*:*:*:*:*:*:*5.31VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.32:*:*:*:*:*:*:*5.32VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.33:*:*:*:*:*:*:*5.33VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.34:*:*:*:*:*:*:*5.34VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.35:*:*:*:*:*:*:*5.35VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.36:*:*:*:*:*:*:*5.36VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.37:*:*:*:*:*:*:*5.37VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.38:*:*:*:*:*:*:*5.38VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.39:*:*:*:*:*:*:*5.39VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.40:*:*:*:*:*:*:*5.40VulnerableConfigServer
cpe:2.3:a:configserver:configserver_security_firewall:5.41:*:*:*:*:*:*:*5.41VulnerableConfigServer
cpe:2.3:h:directadmin:directadmin_server:*:*:*:*:*:*:*:*all versionsRunning onDirectAdmin
  • cpe:2.3:a:configserver:configserver_security_firewall:5.09:*:*:*:*:*:*:* Versions 5.09 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.10:*:*:*:*:*:*:* Versions 5.10 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.11:*:*:*:*:*:*:* Versions 5.11 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.12:*:*:*:*:*:*:* Versions 5.12 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.13:*:*:*:*:*:*:* Versions 5.13 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.14:*:*:*:*:*:*:* Versions 5.14 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.15:*:*:*:*:*:*:* Versions 5.15 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.16:*:*:*:*:*:*:* Versions 5.16 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.17:*:*:*:*:*:*:* Versions 5.17 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.18:*:*:*:*:*:*:* Versions 5.18 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.19:*:*:*:*:*:*:* Versions 5.19 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.20:*:*:*:*:*:*:* Versions 5.20 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.21:*:*:*:*:*:*:* Versions 5.21 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.22:*:*:*:*:*:*:* Versions 5.22 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.30:*:*:*:*:*:*:* Versions 5.30 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.31:*:*:*:*:*:*:* Versions 5.31 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.32:*:*:*:*:*:*:* Versions 5.32 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.33:*:*:*:*:*:*:* Versions 5.33 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.34:*:*:*:*:*:*:* Versions 5.34 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.35:*:*:*:*:*:*:* Versions 5.35 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.36:*:*:*:*:*:*:* Versions 5.36 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.37:*:*:*:*:*:*:* Versions 5.37 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.38:*:*:*:*:*:*:* Versions 5.38 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.39:*:*:*:*:*:*:* Versions 5.39 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.40:*:*:*:*:*:*:* Versions 5.40 Vulnerable ·ConfigServer
  • cpe:2.3:a:configserver:configserver_security_firewall:5.41:*:*:*:*:*:*:* Versions 5.41 Vulnerable ·ConfigServer
  • cpe:2.3:h:directadmin:directadmin_server:*:*:*:*:*:*:*:* Versions all versions Running on ·DirectAdmin

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-5033
  2. 2026-10-03 Alias added: GHSA-rf2x-23jg-qfw8

References

Exploit 1

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences