CVE-2013-4783
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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."
- CVSS 2.0
- 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 3.38% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- dell/idrac6 bmc
- Source
- cve@mitre.org
References
- ftp://ftp.dell.com/Manuals/Common/integrated-dell-remote-access-cntrllr-6-for-monolithic-srvr-v1.95_FAQ2_en-us.pdf
- http://en.community.dell.com/techcenter/systems-management/w/wiki/4929.how-to-check-if-ipmi-cipher-0-is-off.aspx
- http://fish2.com/ipmi/cipherzero.html
- http://osvdb.org/show/osvdb/93039
- http://www.metasploit.com/modules/auxiliary/scanner/ipmi/ipmi_cipher_zero
- http://www.wired.com/threatlevel/2013/07/ipmi/
- https://lists.gnu.org/archive/html/freeipmi-devel/2013-02/msg00013.html
- ftp://ftp.dell.com/Manuals/Common/integrated-dell-remote-access-cntrllr-6-for-monolithic-srvr-v1.95_FAQ2_en-us.pdf
- http://en.community.dell.com/techcenter/systems-management/w/wiki/4929.how-to-check-if-ipmi-cipher-0-is-off.aspx
- http://fish2.com/ipmi/cipherzero.html
- http://osvdb.org/show/osvdb/93039
- http://www.metasploit.com/modules/auxiliary/scanner/ipmi/ipmi_cipher_zero
- http://www.wired.com/threatlevel/2013/07/ipmi/
- https://lists.gnu.org/archive/html/freeipmi-devel/2013-02/msg00013.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.