CVE-2013-0531
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 · uneditedThe SSL implementation in IBM Security AppScan Enterprise before 8.7.0.1 enables cipher suites with weak encryption algorithms, which makes it easier for remote attackers to obtain sensitive information by sniffing the network.
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 · moderate confidenceIBM Security AppScan Enterprise before version 8.7.0.1 has an SSL/TLS implementation that enables weak cipher suites with insufficient encryption strength. This allows remote attackers on the same network to potentially intercept and decrypt sensitive traffic by sniffing network communications.
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<= 8.7.0.0= 5.6.0.0= 6.0.0.0= 6.0.1.0= 6.0.2.0= 6.1.1.0= 8.0.0.0= 8.0.0.1= 8.0.0.2= 8.0.1.0= 8.0.1.1= 8.0.11CVSS 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
- Partial
- Integrity
- None
- Availability
- None
AV:N/AC:L/Au:N/C:P/I:N/A:N
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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Identify the installed version of IBM Security AppScan EnterpriseOpen the IBM Security AppScan Enterprise client or web interface and navigate to the About or Version information section. Alternatively, check the Windows Add/Remove Programs list or the installation directory for version information.Affected if The installed version matches any of the following: 5.6.0.0, 6.0.0.0, 6.0.1.0, 6.0.2.0, 6.1.1.0, 8.0.0.0, 8.0.0.1, 8.0.0.2, 8.0.1.0, 8.0.1.1, 8.0.11, or any version 8.7.0.0 or earlier.
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Verify SSL/TLS configuration for weak cipher suitesAccess the IBM Security AppScan Enterprise administrative console or configuration settings. Locate the SSL/TLS or cipher suite configuration panel. Inspect the list of enabled cipher suites for any weak algorithms such as export-grade ciphers, 56-bit ciphers, or MD5-based ciphers.Affected if Weak cipher suites (export-grade, 56-bit, MD5-based) are listed as enabled or available in the SSL/TLS configuration.
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Confirm the product is accessible over the networkVerify that the IBM Security AppScan Enterprise server is configured to accept network connections from clients or other systems. Check that the web interface or API endpoints are accessible.Affected if The server accepts network connections and communicates with clients over SSL/TLS, making it susceptible to network-based sniffing attacks.
A user is affected if their installed IBM Security AppScan Enterprise version is 8.7.0.0 or earlier (including the specific versions listed) AND weak cipher suites are enabled in the SSL/TLS configuration, allowing potential traffic interception on the same network.
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 dataUpgrade to IBM Security AppScan Enterprise 8.7.0.1 or later to obtain a version with disabled weak cipher suites. If immediate upgrade is not feasible, review and configure SSL/TLS settings to explicitly disable weak algorithms (e.g., export-grade ciphers,56-bit ciphers, MD5-based ciphers).
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2013-0531 — 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-2013-0531 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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