Common Weakness Enumeration

CWE-502

Allowed

Deserialization of Untrusted Data

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

4802 vulnerabilities reference this CWE, most recent first.

CVE-2023-34212 (GCVE-0-2023-34212)

Vulnerability from cvelistv5 – Published: 2023-06-12 15:14 – Updated: 2025-02-13 16:55
VLAI
Title
Apache NiFi: Potential Deserialization of Untrusted Data with JNDI in JMS Components
Summary
The JndiJmsConnectionFactoryProvider Controller Service, along with the ConsumeJMS and PublishJMS Processors, in Apache NiFi 1.8.0 through 1.21.0 allow an authenticated and authorized user to configure URL and library properties that enable deserialization of untrusted data from a remote location. The resolution validates the JNDI URL and restricts locations to a set of allowed schemes. You are recommended to upgrade to version 1.22.0 or later which fixes this issue.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache NiFi Affected: 1.8.0 , ≤ 1.21.0 (semver)
Create a notification for this product.
Credits
Veraxy00 of Qianxin TI Center Matei "Mal" Badanoiu
Show details on NVD website
To clipboard 

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CVE-2023-34040 (GCVE-0-2023-34040)

Vulnerability from cvelistv5 – Published: 2023-08-24 12:59 – Updated: 2024-10-01 16:13
VLAI
Title
Java Deserialization vulnerability in Spring-Kafka When Improperly Configured
Summary
In Spring for Apache Kafka 3.0.9 and earlier and versions 2.9.10 and earlier, a possible deserialization attack vector existed, but only if unusual configuration was applied. An attacker would have to construct a malicious serialized object in one of the deserialization exception record headers. Specifically, an application is vulnerable when all of the following are true: * The user does not configure an ErrorHandlingDeserializer for the key and/or value of the record * The user explicitly sets container properties checkDeserExWhenKeyNull and/or checkDeserExWhenValueNull container properties to true. * The user allows untrusted sources to publish to a Kafka topic By default, these properties are false, and the container only attempts to deserialize the headers if an ErrorHandlingDeserializer is configured. The ErrorHandlingDeserializer prevents the vulnerability by removing any such malicious headers before processing the record.
Severity
5.3 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Spring Spring For Apache Kafka Affected: 2.8.x , < 2.9.11 (2.9.11)
Affected: 2.9.x , < 2.9.11 (2.9.11)
Affected: 3.0.x , < 3.0.10 (3.0.10)
Create a notification for this product.
Date Public
2023-08-23 14:59
Show details on NVD website
To clipboard 

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CVE-2023-34027 (GCVE-0-2023-34027)

Vulnerability from cvelistv5 – Published: 2023-12-19 19:44 – Updated: 2026-04-28 16:08
VLAI
Title
WordPress Recently Viewed Products Plugin <= 1.0.0 is vulnerable to PHP Object Injection
Summary
Deserialization of Untrusted Data vulnerability in Rajnish Arora Recently Viewed Products.This issue affects Recently Viewed Products: from n/a through 1.0.0.
Severity
8.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Rajnish Arora Recently Viewed Products Affected: n/a , ≤ 1.0.0 (custom)
Create a notification for this product.
Credits
Mika (Patchstack Alliance)
Show details on NVD website
To clipboard 

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CVE-2023-33963 (GCVE-0-2023-33963)

Vulnerability from cvelistv5 – Published: 2023-06-01 15:09 – Updated: 2025-01-08 21:47
VLAI
Title
DataEase data source has deserialization vulnerability
Summary
DataEase is an open source data visualization and analysis tool. Prior to version 1.18.7, a deserialization vulnerability exists in the DataEase datasource, which can be exploited to execute arbitrary code. The vulnerability has been fixed in v1.18.7. There are no known workarounds aside from upgrading.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
dataease dataease Affected: < 1.18.7
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-33299 (GCVE-0-2023-33299)

Vulnerability from cvelistv5 – Published: 2023-06-23 07:46 – Updated: 2024-10-23 14:25
VLAI
Summary
A deserialization of untrusted data in Fortinet FortiNAC below 7.2.1, below 9.4.3, below 9.2.8 and all earlier versions of 8.x allows attacker to execute unauthorized code or commands via specifically crafted request on inter-server communication port. Note FortiNAC versions 8.x will not be fixed.
Severity
9.6 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:X/RC:C
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Execute unauthorized code or commands
Assigner
References
Impacted products
Vendor Product Version
Fortinet FortiNAC Affected: 9.4.0 , ≤ 9.4.2 (semver)
Affected: 9.2.0 , ≤ 9.2.7 (semver)
Affected: 9.1.0 , ≤ 9.1.9 (semver)
Affected: 8.8.0 , ≤ 8.8.11 (semver)
Affected: 8.7.0 , ≤ 8.7.6 (semver)
Affected: 8.6.0 , ≤ 8.6.5 (semver)
Affected: 8.5.0 , ≤ 8.5.4 (semver)
Affected: 8.3.7
Affected: 7.2.0 , ≤ 7.2.1 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-33160 (GCVE-0-2023-33160)

Vulnerability from cvelistv5 – Published: 2023-07-11 17:03 – Updated: 2025-02-28 21:07
VLAI
Title
Microsoft SharePoint Server Remote Code Execution Vulnerability
Summary
Microsoft SharePoint Server Remote Code Execution Vulnerability
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Date Public
2023-07-11 07:00
Show details on NVD website
To clipboard 

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CVE-2023-33134 (GCVE-0-2023-33134)

Vulnerability from cvelistv5 – Published: 2023-07-11 17:03 – Updated: 2025-02-28 21:07
VLAI
Title
Microsoft SharePoint Server Remote Code Execution Vulnerability
Summary
Microsoft SharePoint Server Remote Code Execution Vulnerability
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Date Public
2023-07-11 07:00
Show details on NVD website
To clipboard 

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CVE-2023-33008 (GCVE-0-2023-33008)

Vulnerability from cvelistv5 – Published: 2023-07-07 09:07 – Updated: 2024-10-07 19:13
VLAI
Title
Apache Johnzon: Prevent inefficient internal conversion from BigDecimal at large scale
Summary
Deserialization of Untrusted Data vulnerability in Apache Software Foundation Apache Johnzon. A malicious attacker can craft up some JSON input that uses large numbers (numbers such as 1e20000000) that Apache Johnzon will deserialize into BigDecimal and maybe use numbers too large which may result in a slow conversion (Denial of service risk). Apache Johnzon 1.2.21 mitigates this by setting a scale limit of 1000 (by default) to the BigDecimal. This issue affects Apache Johnzon: through 1.2.20.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Johnzon Affected: 0 , ≤ 1.2.20 (1.2.21)
Create a notification for this product.
apache johnzon Affected: 0 , < 1.2.21 (custom)
    cpe:2.3:a:apache:johnzon:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
PJ Fanning Jean-Louis Monteiro Romain Manni-Bucau
Show details on NVD website
To clipboard 

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CVE-2023-32795 (GCVE-0-2023-32795)

Vulnerability from cvelistv5 – Published: 2023-12-28 10:43 – Updated: 2026-04-28 16:08
VLAI
Title
WordPress WooCommerce Product Add-ons Plugin <= 6.1.3 is vulnerable to PHP Object Injection
Summary
Deserialization of Untrusted Data vulnerability in WooCommerce Product Add-Ons.This issue affects Product Add-Ons: from n/a through 6.1.3.
Severity
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
WooCommerce Product Add-Ons Affected: n/a , ≤ 6.1.3 (custom)
Create a notification for this product.
Credits
Rafie Muhammad (Patchstack)
Show details on NVD website
To clipboard 

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CVE-2023-32737 (GCVE-0-2023-32737)

Vulnerability from cvelistv5 – Published: 2024-07-09 12:04 – Updated: 2025-08-27 20:32
VLAI
Summary
A vulnerability has been identified in SIMATIC STEP 7 Safety V18 (All versions < V18 Update 2). Affected applications do not properly restrict the .NET BinaryFormatter when deserializing user-controllable input. This could allow an attacker to cause a type confusion and execute arbitrary code within the affected application. This is the same issue that exists for .NET BinaryFormatter https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2300.
Severity
6.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
7 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
Siemens SIMATIC STEP 7 Safety V18 Affected: 0 , < V18 Update 2 (custom)
Create a notification for this product.
siemens simatic_step_7 Affected: 0 , < 18 (custom)
    cpe:2.3:a:siemens:simatic_step_7:*:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation
Architecture and Design Implementation

If available, use the signing/sealing features of the programming language to assure that deserialized data has not been tainted. For example, a hash-based message authentication code (HMAC) could be used to ensure that data has not been modified.

Mitigation
Implementation

When deserializing data, populate a new object rather than just deserializing. The result is that the data flows through safe input validation and that the functions are safe.

Mitigation
Implementation

Explicitly define a final object() to prevent deserialization.

Mitigation
Architecture and Design Implementation
  • Make fields transient to protect them from deserialization.
  • An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.
Mitigation
Implementation

Avoid having unnecessary types or gadgets (a sequence of instances and method invocations that can self-execute during the deserialization process, often found in libraries) available that can be leveraged for malicious ends. This limits the potential for unintended or unauthorized types and gadgets to be leveraged by the attacker. Add only acceptable classes to an allowlist. Note: new gadgets are constantly being discovered, so this alone is not a sufficient mitigation.

Mitigation
Architecture and Design Implementation

Employ cryptography of the data or code for protection. However, it's important to note that it would still be client-side security. This is risky because if the client is compromised then the security implemented on the client (the cryptography) can be bypassed.

Mitigation MIT-29
Operation

Strategy: Firewall

Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].

CAPEC-586: Object Injection

An adversary attempts to exploit an application by injecting additional, malicious content during its processing of serialized objects. Developers leverage serialization in order to convert data or state into a static, binary format for saving to disk or transferring over a network. These objects are then deserialized when needed to recover the data/state. By injecting a malformed object into a vulnerable application, an adversary can potentially compromise the application by manipulating the deserialization process. This can result in a number of unwanted outcomes, including remote code execution.

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