CVE-2011-1854
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedUse-after-free vulnerability in HP Intelligent Management Center (IMC) 5.0 before E0101L02 allows remote attackers to execute arbitrary code via a long syslog packet, related to an exception handler.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceUse-after-free vulnerability in HP Intelligent Management Center (IMC) version 5.0 before E0101L02. The flaw exists in the exception handler that processes syslog packets. By sending a specially crafted long syslog packet, a remote attacker can trigger the use-after-free condition and achieve arbitrary code execution with elevated privileges.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 5.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
AV:N/AC:L/Au:N/C:C/I:C/A:C
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Verify HP IMC is installedLocate HP Intelligent Management Center installation directory or check for IMC service/process in system inventoryAffected if HP IMC software is not found on the system, the vulnerability does not apply
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Determine the installed IMC versionCheck the version of HP IMC against the affected range: version 5.0 before E0101L02. Compare your installed version to this threshold.Affected if The installed version is 5.0 and is earlier than E0101L02, or if the version cannot be determined and falls within the 5.0 release line
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Confirm syslog service is enabledCheck if the IMC syslog service (listening on UDP/TCP port 514) is running or configured to accept syslog packetsAffected if The syslog receiver is disabled or not configured, the specific attack surface is not present
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Assess network exposure of syslog portReview firewall rules or network access controls to determine if port 514 (syslog) is accessible from untrusted networksAffected if Port 514 is exposed to untrusted network segments, enabling remote attackers to send malicious syslog packets
A system is affected if HP IMC version 5.0 before E0101L02 is installed, the syslog service is active, and port 514 is network-accessible to untrusted sources.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scopedUpgrade HP IMC to version E0101L02 or later. If immediate upgrade is not feasible, restrict network access to the IMC syslog service (UDP/TCP port 514) to prevent unauthenticated remote exploitation.
HP IMC 5.0 E0101L02 or later
- Obtain the HP patch from the official HP support document at http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02822750
- Apply patch E0101L02 to HP Intelligent Management Center version 5.0
- Verify the patch was successfully applied by checking the IMC version information
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation12.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2011-1854 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2011-1854 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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