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.

4801 vulnerabilities reference this CWE, most recent first.

CVE-2022-23302 (GCVE-0-2022-23302)

Vulnerability from cvelistv5 – Published: 2022-01-18 15:25 – Updated: 2026-05-27 13:46
VLAI
Title
Deserialization of untrusted data in JMSSink in Apache Log4j 1.x
Summary
JMSSink in all versions of Log4j 1.x is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration or if the configuration references an LDAP service the attacker has access to. The attacker can provide a TopicConnectionFactoryBindingName configuration causing JMSSink to perform JNDI requests that result in remote code execution in a similar fashion to CVE-2021-4104. Note this issue only affects Log4j 1.x when specifically configured to use JMSSink, which is not the default. Apache Log4j 1.2 reached end of life in August 2015. Users should upgrade to Log4j 2 as it addresses numerous other issues from the previous versions.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
Apache Software Foundation Apache Log4j 1.x Affected: 1.0.1 , < unspecified (custom)
Affected: unspecified , < 2.0-alpha1 (custom)
Create a notification for this product.
Credits
Eduardo' Vela, Maksim Shudrak and Jacob Butler from Google.
Show details on NVD website
To clipboard 

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CVE-2022-21828 (GCVE-0-2022-21828)

Vulnerability from cvelistv5 – Published: 2022-03-04 16:15 – Updated: 2024-08-03 02:53
VLAI
Summary
A user with high privilege access to the Incapptic Connect web console can remotely execute code on the Incapptic Connect server using a unspecified attack vector in Incapptic Connect version 1.40.0, 1.39.1, 1.39.0, 1.38.1, 1.38.0, 1.37.1, 1.37.0, 1.36.0, 1.35.5, 1.35.4 and 1.35.3.
Severity
No CVSS data available.
CWE
  • CWE-502 - Deserialization of Untrusted Data (CWE-502)
Assigner
References
Impacted products
Vendor Product Version
n/a Ivanti Incapptic Connect Affected: Fixed in version 1.40.1
Show details on NVD website
To clipboard 

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CVE-2022-21647 (GCVE-0-2022-21647)

Vulnerability from cvelistv5 – Published: 2022-01-04 20:05 – Updated: 2025-04-23 19:14
VLAI
Title
Deserialization of Untrusted Data in Codeigniter4
Summary
CodeIgniter is an open source PHP full-stack web framework. Deserialization of Untrusted Data was found in the `old()` function in CodeIgniter4. Remote attackers may inject auto-loadable arbitrary objects with this vulnerability, and possibly execute existing PHP code on the server. We are aware of a working exploit, which can lead to SQL injection. Users are advised to upgrade to v4.1.6 or later. Users unable to upgrade as advised to not use the `old()` function and form_helper nor `RedirectResponse::withInput()` and `redirect()->withInput()`.
Severity
7.7 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2022-20763 (GCVE-0-2022-20763)

Vulnerability from cvelistv5 – Published: 2022-04-06 18:13 – Updated: 2024-11-06 16:28
VLAI
Title
Cisco Webex Meetings Java Deserialization Vulnerability
Summary
A vulnerability in the login authorization components of Cisco Webex Meetings could allow an authenticated, remote attacker to inject arbitrary Java code. This vulnerability is due to improper deserialization of Java code within login requests. An attacker could exploit this vulnerability by sending malicious login requests to the Cisco Webex Meetings service. A successful exploit could allow the attacker to inject arbitrary Java code and take arbitrary actions within the Cisco Webex Meetings application.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://tools.cisco.com/security/center/content/C… vendor-advisoryx_refsource_CISCO
Impacted products
Date Public
2022-04-06 00:00
Show details on NVD website
To clipboard 

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CVE-2022-4890 (GCVE-0-2022-4890)

Vulnerability from cvelistv5 – Published: 2023-01-16 12:58 – Updated: 2025-04-07 17:43
VLAI
Title
abhilash1985 PredictApp Cookie new_framework_defaults_7_0.rb deserialization
Summary
A vulnerability, which was classified as critical, has been found in abhilash1985 PredictApp. This issue affects some unknown processing of the file config/initializers/new_framework_defaults_7_0.rb of the component Cookie Handler. The manipulation leads to deserialization. The attack may be initiated remotely. The patch is named b067372f3ee26fe1b657121f0f41883ff4461a06. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-218387.
Severity
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.3 (Medium)
CVSS:3.0/AV:N/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
Assigner
References
Impacted products
Credits
VulDB GitHub Commit Analyzer
Show details on NVD website
To clipboard 

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CVE-2022-4815 (GCVE-0-2022-4815)

Vulnerability from cvelistv5 – Published: 2023-05-24 21:30 – Updated: 2025-01-16 15:29
VLAI
Title
Hitachi Vantara Pentaho Business Analytics Server - Deserialization of Untrusted Data
Summary
Hitachi Vantara Pentaho Business Analytics Server versions before 9.4.0.1 and 9.3.0.3, including 8.3.x deserialize untrusted JSON data without constraining the parser to approved classes and methods. 
Severity
8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
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
Hitachi Vantara Pentaho Business Analytics Server Affected: 1.0 , < 9.3.0.3 (maven)
Affected: 9.4.0.0 , < 9.4.0.1 (maven)
Create a notification for this product.
Credits
Clarence Liau Hitachi Group Member
Show details on NVD website
To clipboard 

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CVE-2022-3861 (GCVE-0-2022-3861)

Vulnerability from cvelistv5 – Published: 2022-11-21 12:45 – Updated: 2026-04-08 17:33
VLAI
Title
Betheme <= 26.5.1.4 - Authenticated (Subscriber+) PHP Object Injection
Summary
The Betheme theme for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 26.5.1.4 via deserialization of untrusted input supplied via the import, mfn-items-import-page, and mfn-items-import parameters passed through the mfn_builder_import, mfn_builder_import_page, importdata, importsinglepage, and importfromclipboard functions. This makes it possible for authenticated attackers, with subscriber level permissions and above to inject a PHP Object. The additional presence of a POP chain would make it possible for attackers to execute code, retrieve sensitive data, delete files, etc..
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
MuffinGroup Betheme Affected: 0 , ≤ 26.5.1.4 (semver)
Create a notification for this product.
Credits
Julien Ahrens
Show details on NVD website
To clipboard 

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CVE-2022-3568 (GCVE-0-2022-3568)

Vulnerability from cvelistv5 – Published: 2023-02-09 23:34 – Updated: 2026-04-08 16:50
VLAI
Title
ImageMagick Engine <= 1.7.5 - Cross-Site Request Forgery to PHAR Deserialization
Summary
The ImageMagick Engine plugin for WordPress is vulnerable to deserialization of untrusted input via the 'cli_path' parameter in versions up to, and including 1.7.5. This makes it possible for unauthenticated users to call files using a PHAR wrapper, granted they can trick a site administrator into performing an action such as clicking on a link, that will deserialize and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present. It also requires that the attacker is successful in uploading a file with the serialized payload.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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
rickardw ImageMagick Engine Affected: 0 , ≤ 1.7.5 (semver)
Create a notification for this product.
Credits
Rasoul Jahanshahi
Show details on NVD website
To clipboard 

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CVE-2022-3536 (GCVE-0-2022-3536)

Vulnerability from cvelistv5 – Published: 2022-11-07 00:00 – Updated: 2025-05-01 19:26
VLAI
Title
Role Based Pricing for WooCommerce < 1.6.3 - Subscriber+ PHAR Deserialization
Summary
The Role Based Pricing for WooCommerce WordPress plugin before 1.6.3 does not have authorisation and proper CSRF checks, as well as does not validate path given via user input, allowing any authenticated users like subscriber to perform PHAR deserialization attacks when they can upload a file, and a suitable gadget chain is present on the blog
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
  • CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
Impacted products
Vendor Product Version
Unknown Role Based Pricing for WooCommerce Affected: 1.6.3 , < 1.6.3 (custom)
Create a notification for this product.
Credits
WPScan
Show details on NVD website
To clipboard 

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CVE-2022-3525 (GCVE-0-2022-3525)

Vulnerability from cvelistv5 – Published: 2022-11-20 00:00 – Updated: 2025-04-24 20:14
VLAI
Title
Deserialization of Untrusted Data in librenms/librenms
Summary
Deserialization of Untrusted Data in GitHub repository librenms/librenms prior to 22.10.0.
Severity
9 (Critical)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
librenms librenms/librenms Affected: unspecified , < 22.10.0 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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            "url": "https://github.com/librenms/librenms/commit/ae3925b09ad3c5d0f7a9d5a26ae2f2f778834948"
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        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-3525",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-24T20:14:43.579537Z",
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        "providerMetadata": {
          "dateUpdated": "2025-04-24T20:14:53.750Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "librenms/librenms",
          "vendor": "librenms",
          "versions": [
            {
              "lessThan": "22.10.0",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Deserialization of Untrusted Data in GitHub repository librenms/librenms prior to 22.10.0."
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      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
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          ]
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      ],
      "providerMetadata": {
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        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
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      },
      "references": [
        {
          "url": "https://huntr.dev/bounties/ed048e8d-87af-440a-a91f-be1e65a40330"
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      "source": {
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        "discovery": "EXTERNAL"
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      "title": "Deserialization of Untrusted Data in librenms/librenms"
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  },
  "cveMetadata": {
    "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
    "assignerShortName": "@huntrdev",
    "cveId": "CVE-2022-3525",
    "datePublished": "2022-11-20T00:00:00.000Z",
    "dateReserved": "2022-10-16T00:00:00.000Z",
    "dateUpdated": "2025-04-24T20:14:53.750Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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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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