CVE-2010-4556
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 · uneditedStack-based buffer overflow in the SapThemeRepository ActiveX control (sapwdpcd.dll) in SAP NetWeaver Business Client allows remote attackers to execute arbitrary code via the (1) Load and (2) LoadTheme methods.
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 confidenceStack-based buffer overflow in the SapThemeRepository ActiveX control (sapwdpcd.dll) within SAP NetWeaver Business Client allows remote code execution through the Load and LoadTheme methods by providing overly long arguments that overwrite stack memory, leading to arbitrary code execution.
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 dataall versionsCVSS 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
- M
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
AV:N/AC:M/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 SAP NetWeaver Business Client installationCheck for the presence of SAP NetWeaver Business Client in the system. Common installation paths include C:\Program Files\SAP\ or C:\Program Files (x86)\SAP\. Look for folders named 'SAP NetWeaver Business Client' or 'NWBC' in Program Files.Affected if SAP NetWeaver Business Client is installed on the system.
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Locate vulnerable ActiveX DLLSearch for the file sapwdpcd.dll on the system. Use File Explorer search or run: dir /s C:\sapwdpcd.dll. Typical locations include the SAP installation directory under bin or client folders.Affected if The file sapwdpcd.dll exists on the system.
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Check ActiveX control registration in Internet ExplorerOpen Internet Explorer, go to Tools > Manage Add-ons > Enable/disable add-ons. Look for 'SapThemeRepository' or 'SapThemeRepository Class' in the list of ActiveX controls.Affected if The SapThemeRepository ActiveX control appears as enabled or available in Internet Explorer add-ons.
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Verify CLSID registration in Windows RegistryOpen Registry Editor and search for CLSID entries related to SapThemeRepository. Check HKEY_CLASSES_ROOT\CLSID for entries containing 'SapThemeRepository' or the DLL name sapwdpcd.dll.Affected if A CLSID for SapThemeRepository is registered in the Windows registry.
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Check for vulnerable methods exposureCreate a simple HTML test page that attempts to instantiate the ActiveX control and call its Load or LoadTheme methods with a long string argument. Open in IE with the ActiveX control enabled to observe behavior.Affected if The ActiveX control loads and exposes the Load or LoadTheme methods to web content.
If SAP NetWeaver Business Client with the SapThemeRepository ActiveX control (sapwdpcd.dll) is installed and the control is enabled in Internet Explorer or registered in the system, the environment is affected by this vulnerability.
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.
From vendor dataDisable the vulnerable SapThemeRepository ActiveX control in Internet Explorer or upgrade SAP NetWeaver Business Client to a patched version; implement network-level controls to block malicious content targeting this vector.
- Consultation4.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2010-4556 — 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-2010-4556 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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