CVE-2024-9005
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 · uneditedCWE-502: Deserialization of Untrusted Data vulnerability exists that could allow code to be remotely executed on the server when unsafely deserialized data is posted to the web server.
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 confidenceCWE-502 Deserialization of Untrusted Data vulnerability allows remote code execution when unsafely deserialized data is posted to the web server. Attackers can exploit insecure deserialization logic to execute arbitrary code server-side by sending crafted malicious serialized payloads.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- High
- Privileges
- Low
- Authentication
- X
- User interaction
- A
- Scope
- X
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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 deserialization usage in your codebaseSearch source code for deserialization functions such as pickle.loads, pickle.load, yaml.load, unserialize, json_decode, ObjectInputStream, readObject, or similar deserialization methods depending on your languageAffected if Your application uses any deserialization function on untrusted input without validation
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Check for unsafe deserialization patternsReview code for patterns like pickle.load(file), yaml.load(data), unserialize($data) without a safe loader, or any readObject() call that accepts raw input streamsAffected if Unsafe deserialization methods process data directly from HTTP requests or user input without sanitization
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Verify input validation before deserializationInspect the data flow leading to deserialization calls - check if there is allowlist validation, schema validation, or integrity checks (HMAC/signatures) before deserialization is performedAffected if No input validation, allowlisting, or integrity checks are performed before deserializing data
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Identify exposed deserialization endpointsReview web route definitions and API endpoints to locate any that accept serialized data in request bodies, headers, or query parameters - especially those accepting JSON, XML, or custom serialized formatsAffected if Publicly accessible endpoints accept and process serialized data without restrictions
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Check deserialization library configurationExamine your deserialization library configuration files and settings - for example, in Python check for SafeLoader for YAML, in Java check for restricted ObjectInputStream usage, in PHP check for allowed_classes parametersAffected if Deserialization is configured to allow arbitrary object instantiation or uses unsafe defaults
Your environment is affected if any web-facing endpoint uses unsafe deserialization on untrusted input without allowlisting, input validation, or integrity checks.
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 dataImplement safe deserialization practices such as using allowlist-based deserialization, avoiding native deserialization formats, validating all input data before processing, and implementing integrity checks on serialized data.
- Consultation6.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,680.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-9005 — 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-2024-9005 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
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