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CVE-2013-4783

10.0 · HIGH

The Dell iDRAC6 with firmware 1.x before 1.92 and 2.x and 3.x before 3.42, and iDRAC7 with firmware before 1.23.23, allows remote attackers to bypass authentication and execute arbitrary IPMI comma…

Published Jul 8, 2013dellCWE-287EPSS 3.38%

Overview

CVE-2013-4783 is a high-severity vulnerability affecting dell idrac6_bmc. It was published on July 8, 2013 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

The Dell iDRAC6 with firmware 1.x before 1.92 and 2.x and 3.x before 3.42, and iDRAC7 with firmware before 1.23.23, allows remote attackers to bypass authentication and execute arbitrary IPMI commands by using cipher suite 0 (aka cipher zero) and an arbitrary password. NOTE: the vendor disputes the significance of this issue, stating "DRAC's are intended to be on a separate management network; they are not designed nor intended to be placed on or connected to the Internet."

Remediation

Check the references section for vendor advisories and patches from dell. Update idrac6_bmc 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

Refftp://ftp.dell.com/Manuals/Common/integrated-dell-remote-access-cntrllr-6-for-monolithic-srvr-v1.95_FAQ2_en-us.pdfRefen.community.dell.com/techcenter/systems-management/w/wiki/4929.how-to-check-if-ipmi-cipher-0-is-off.aspxReffish2.com/ipmi/cipherzero.htmlRefosvdb.org/show/osvdb/93039Refwww.metasploit.com/modules/auxiliary/scanner/ipmi/ipmi_cipher_zeroRefwww.wired.com/threatlevel/2013/07/ipmi/Reflists.gnu.org/archive/html/freeipmi-devel/2013-02/msg00013.htmlRefftp://ftp.dell.com/Manuals/Common/integrated-dell-remote-access-cntrllr-6-for-monolithic-srvr-v1.95_FAQ2_en-us.pdfRefen.community.dell.com/techcenter/systems-management/w/wiki/4929.how-to-check-if-ipmi-cipher-0-is-off.aspxReffish2.com/ipmi/cipherzero.html

How CyberStrike helps

Frequently asked questions

What is CVE-2013-4783?

CVE-2013-4783 is a high-severity vulnerability affecting dell idrac6_bmc. It was published on July 8, 2013 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2013-4783?

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-2013-4783?

Check the references section for vendor advisories and patches from dell. Update idrac6_bmc 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-2013-4783?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-4783 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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