Vulnerability Report

CVE-2009-4112

Title: Cacti Auth Bypass

Auth Bypass

Proof Of Concept

PoC Available for CVE-2009-4112

CWE Category CWE-264

Published Date Nov 30, 2009

Modified Date Jun 16, 2026

Exploit Status Available

Score 9.0 CVSS v2.0

Exploit Probability (EPSS)

11.48%

Vulnerability Summary

CVE-2009-4112: Cacti 0.8.7e and earlier allows remote authenticated administrators to gain privileges by modifying the "Data Input Method" for the "Linux - Get Memory Usage" setting to contain arbitrary commands.

Impacted Vendors

the_cacti_group 1

cacti 1

Reference Links

http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0292.html http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00042.html http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00048.html http://www.openwall.com/lists/oss-security/2009/11/26/1 http://www.openwall.com/lists/oss-security/2009/11/30/2 http://www.securityfocus.com/archive/1/508129/100/0/threaded http://www.securityfocus.com/bid/37137 https://exchange.xforce.ibmcloud.com/vulnerabilities/54473 http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0292.html http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00042.html http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00048.html http://www.openwall.com/lists/oss-security/2009/11/26/1 http://www.openwall.com/lists/oss-security/2009/11/30/2 http://www.securityfocus.com/archive/1/508129/100/0/threaded http://www.securityfocus.com/bid/37137 https://exchange.xforce.ibmcloud.com/vulnerabilities/54473

CVSS v2.0

Source Entity [email protected]

Severity HIGH

9.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:S/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2009-4112 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/33377

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

November 30, 2009 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected Stack

No specific products linked.