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CVE-2013-4784

51
FAUCET Score

CVE-2013-4784 describes a critical authentication bypass vulnerability in the HP Integrated Lights-Out (iLO) BMC implementation. This flaw allows remote attackers to execute arbitrary IPMI commands by leveraging cipher suite 0 and any password. With a CVSS score of 10.0, this vulnerability is highly severe, requiring no authentication and having complete impact on confidentiality, integrity, and availability. Despite its age and high severity, there is no public exploit code available in Metasploit, Nuclei, or ExploitDB, and it is not listed on CISA's KEV catalog, though it has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:h:hp:integrated_lights-out_bmc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
49.59%
Probability of exploitation in next 30 days
EPSS Percentile
98.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.4959 is in the 98th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

fish2.com / ipmi/cipherzero.html
osvdb.org / show/osvdb/93040
exchange.xforce.ibmcloud.com / vulnerabilities/85569
lists.gnu.org / archive/html/freeipmi-devel/2013-02/msg00013.html
metasploit.com / modules/auxiliary/scanner/ipmi/ipmi_cipher_zero
oracle.com / technetwork/topics/security/cpujan2015-1972971.html
wired.com / threatlevel/2013/07/ipmi