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CVE-2009-0545

10.0 · HIGH

cgi-bin/kerbynet in ZeroShell 1.0beta11 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the type parameter in a NoAuthREQ x509List action.

Published Feb 12, 2009zeroshellCWE-20EPSS 90.39%

Overview

CVE-2009-0545 is a high-severity vulnerability affecting zeroshell zeroshell. It was published on February 12, 2009 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

cgi-bin/kerbynet in ZeroShell 1.0beta11 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the type parameter in a NoAuthREQ x509List action.

Remediation

Check the references section for vendor advisories and patches from zeroshell. Update zeroshell to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refwww.ikkisoft.com/stuff/LC-2009-01.txtRefwww.securityfocus.com/archive/1/500763/100/0/threadedRefwww.vupen.com/english/advisories/2009/0385Refwww.zeroshell.net/eng/announcements/Refwww.zeroshell.net/eng/patch-details/#C100Refwww.exploit-db.com/exploits/8023Refwww.ikkisoft.com/stuff/LC-2009-01.txtRefwww.securityfocus.com/archive/1/500763/100/0/threadedRefwww.vupen.com/english/advisories/2009/0385Refwww.zeroshell.net/eng/announcements/

How CyberStrike helps

Frequently asked questions

What is CVE-2009-0545?

CVE-2009-0545 is a high-severity vulnerability affecting zeroshell zeroshell. It was published on February 12, 2009 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2009-0545?

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-0545?

Check the references section for vendor advisories and patches from zeroshell. Update zeroshell to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-0545?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-0545 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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