CWE-502
Deserialization of Untrusted Data
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
CVE-2021-40719 (GCVE-0-2021-40719)
Vulnerability from cvelistv5 – Published: 2021-10-21 19:33 – Updated: 2025-04-23 19:24
VLAI
Title
Adobe Connect Deserialization of Untrusted Data Remote Code Execution
Summary
Adobe Connect version 11.2.3 (and earlier) is affected by a Deserialization of Untrusted Data vulnerability to achieve arbitrary method invocation when AMF messages are deserialized on an Adobe Connect server. An attacker can leverage this to execute remote code execution on the server.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data (CWE-502)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/connect… | x_refsource_MISC |
Impacted products
Date Public
2021-10-12 00:00
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CVE-2021-40720 (GCVE-0-2021-40720)
Vulnerability from cvelistv5 – Published: 2021-10-15 14:22 – Updated: 2024-09-16 16:17
VLAI
Title
Ops CLI Deserialization of Untrusted Data leads to Abritrary Code Execution
Summary
Ops CLI version 2.0.4 (and earlier) is affected by a Deserialization of Untrusted Data vulnerability to achieve arbitrary code execution when the checkout_repo function is called on a maliciously crafted file. An attacker can leverage this to execute arbitrary code on the victim machine.
Severity
9.8 (Critical)
CWE
- CWE-502 - Deserialization of Untrusted Data (CWE-502)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/ops_cli… | x_refsource_MISC |
Impacted products
Date Public
2021-10-12 00:00
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CVE-2021-40865 (GCVE-0-2021-40865)
Vulnerability from cvelistv5 – Published: 2021-10-25 12:22 – Updated: 2024-08-04 02:51
VLAI
Title
Unsafe Pre-Authentication Deserialization In Workers
Summary
An Unsafe Deserialization vulnerability exists in the worker services of the Apache Storm supervisor server allowing pre-auth Remote Code Execution (RCE). Apache Storm 2.2.x users should upgrade to version 2.2.1 or 2.3.0. Apache Storm 2.1.x users should upgrade to version 2.1.1. Apache Storm 1.x users should upgrade to version 1.2.4
Severity
No CVSS data available.
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread.html/r8d45e742998… | x_refsource_MISC |
| https://seclists.org/oss-sec/2021/q4/45 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Storm |
Affected:
v1.0.0 , < Apache Storm *
(custom)
Affected: Apache Storm , < v1.2.4 (custom) |
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CVE-2021-4104 (GCVE-0-2021-4104)
Vulnerability from cvelistv5 – Published: 2021-12-14 00:00 – Updated: 2026-05-28 19:53
VLAI
Title
Deserialization of untrusted data in JMSAppender in Apache Log4j 1.2
Summary
JMSAppender in Log4j 1.2 is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration. The attacker can provide TopicBindingName and TopicConnectionFactoryBindingName configurations causing JMSAppender to perform JNDI requests that result in remote code execution in a similar fashion to CVE-2021-44228. Note this issue only affects Log4j 1.2 when specifically configured to use JMSAppender, 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
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
14 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Log4j 1.x |
Affected:
Apache Log4j 1.2 1.2.x
|
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CVE-2021-41110 (GCVE-0-2021-41110)
Vulnerability from cvelistv5 – Published: 2021-10-01 12:20 – Updated: 2024-08-04 02:59
VLAI
Title
CWL Viewer: deserialization of untrusted data can lead to complete takeover by an attacker
Summary
cwlviewer is a web application to view and share Common Workflow Language workflows. Versions prior to 1.3.1 contain a Deserialization of Untrusted Data vulnerability. Commit number f6066f09edb70033a2ce80200e9fa9e70a5c29de (dated 2021-09-30) contains a patch. There are no available workarounds aside from installing the patch. The SnakeYaml constructor, by default, allows any data to be parsed. To fix the issue the object needs to be created with a `SafeConstructor` object, as seen in the patch.
Severity
9.1 (Critical)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/common-workflow-language/cwlvi… | x_refsource_CONFIRM |
| https://github.com/common-workflow-language/cwlvi… | x_refsource_MISC |
| https://www.fatalerrors.org/a/analysis-of-the-sna… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| common-workflow-language | cwlviewer |
Affected:
< 1.3.1
|
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CVE-2021-41129 (GCVE-0-2021-41129)
Vulnerability from cvelistv5 – Published: 2021-10-06 20:05 – Updated: 2024-08-04 02:59
VLAI
Title
Authentication bypass in Pterodactyl
Summary
Pterodactyl is an open-source game server management panel built with PHP 7, React, and Go. A malicious user can modify the contents of a `confirmation_token` input during the two-factor authentication process to reference a cache value not associated with the login attempt. In rare cases this can allow a malicious actor to authenticate as a random user in the Panel. The malicious user must target an account with two-factor authentication enabled, and then must provide a correct two-factor authentication token before being authenticated as that user. Due to a validation flaw in the logic handling user authentication during the two-factor authentication process a malicious user can trick the system into loading credentials for an arbitrary user by modifying the token sent to the server. This authentication flaw is present in the `LoginCheckpointController@__invoke` method which handles two-factor authentication for a user. This controller looks for a request input parameter called `confirmation_token` which is expected to be a 64 character random alpha-numeric string that references a value within the Panel's cache containing a `user_id` value. This value is then used to fetch the user that attempted to login, and lookup their two-factor authentication token. Due to the design of this system, any element in the cache that contains only digits could be referenced by a malicious user, and whatever value is stored at that position would be used as the `user_id`. There are a few different areas of the Panel that store values into the cache that are integers, and a user who determines what those cache keys are could pass one of those keys which would cause this code pathway to reference an arbitrary user. At its heart this is a high-risk login bypass vulnerability. However, there are a few additional conditions that must be met in order for this to be successfully executed, notably: 1.) The account referenced by the malicious cache key must have two-factor authentication enabled. An account without two-factor authentication would cause an exception to be triggered by the authentication logic, thusly exiting this authentication flow. 2.) Even if the malicious user is able to reference a valid cache key that references a valid user account with two-factor authentication, they must provide a valid two-factor authentication token. However, due to the design of this endpoint once a valid user account is found with two-factor authentication enabled there is no rate-limiting present, thusly allowing an attacker to brute force combinations until successful. This leads to a third condition that must be met: 3.) For the duration of this attack sequence the cache key being referenced must continue to exist with a valid `user_id` value. Depending on the specific key being used for this attack, this value may disappear quickly, or be changed by other random user interactions on the Panel, outside the control of the attacker. In order to mitigate this vulnerability the underlying authentication logic was changed to use an encrypted session store that the user is therefore unable to control the value of. This completely removed the use of a user-controlled value being used. In addition, the code was audited to ensure this type of vulnerability is not present elsewhere.
Severity
8.1 (High)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/pterodactyl/panel/security/adv… | x_refsource_CONFIRM |
| https://github.com/pterodactyl/panel/commit/4a84c… | x_refsource_MISC |
| https://github.com/pterodactyl/panel/blob/v1.6.2/… | x_refsource_MISC |
| https://github.com/pterodactyl/panel/releases/tag… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pterodactyl | panel |
Affected:
>= 1.0.0, < 1.6.2
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CVE-2021-4118 (GCVE-0-2021-4118)
Vulnerability from cvelistv5 – Published: 2021-12-23 17:15 – Updated: 2024-08-03 17:16
VLAI
Title
Deserialization of Untrusted Data in pytorchlightning/pytorch-lightning
Summary
pytorch-lightning is vulnerable to Deserialization of Untrusted Data
Severity
7.8 (High)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
2 references
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|---|---|
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Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pytorchlightning | pytorchlightning/pytorch-lightning |
Affected:
unspecified , < 1.6
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CVE-2021-41616 (GCVE-0-2021-41616)
Vulnerability from cvelistv5 – Published: 2021-09-30 07:55 – Updated: 2025-04-23 19:25
VLAI
Title
Apache ddlutils 1.0 readobject vulnerability
Summary
Apache DB DdlUtils 1.0 included a BinaryObjectsHelper that was intended for use when migrating database data with a SQL data type of BINARY, VARBINARY, LONGVARBINARY, or BLOB between databases using the ddlutils features. The BinaryObjectsHelper class was insecure and used ObjectInputStream.readObject without validating that the input data was safe to deserialize. Please note that DdlUtils is no longer being actively developed. To address the insecurity of the BinaryObjectHelper class, the following changes to DdlUtils have been made: (1) BinaryObjectsHelper.java has been deleted from the DdlUtils source repository and the DdlUtils feature of propagating data of SQL binary types is therefore no longer present in DdlUtils; (2) The ddlutils-1.0 release has been removed from the Apache Release Distribution Infrastructure; (3) The DdlUtils web site has been updated to indicate that DdlUtils is now available only as source code, not as a packaged release.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread.html/r3d7a8303a82… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache DB ddlutils |
Affected:
Apache DB ddlutils 1.0
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CVE-2021-4178 (GCVE-0-2021-4178)
Vulnerability from cvelistv5 – Published: 2022-08-24 15:02 – Updated: 2024-08-03 17:16
VLAI
Summary
A arbitrary code execution flaw was found in the Fabric 8 Kubernetes client affecting versions 5.0.0-beta-1 and above. Due to an improperly configured YAML parsing, this will allow a local and privileged attacker to supply malicious YAML.
Severity
No CVSS data available.
CWE
- CWE-502 - - Deserialization of Untrusted Data
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2034388 | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2021-4178 | x_refsource_MISC |
| https://github.com/advisories/GHSA-98g7-rxmf-rrxm | x_refsource_MISC |
| https://github.com/fabric8io/kubernetes-client/is… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | kubernetes-client |
Affected:
Affects 5.x versions, Fixed in kubernetes-client v5.0.3 and above.
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CVE-2021-42125 (GCVE-0-2021-42125)
Vulnerability from cvelistv5 – Published: 2021-12-07 13:12 – Updated: 2024-08-04 03:30
VLAI
Summary
An unrestricted file upload vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to write dangerous files.
Severity
No CVSS data available.
CWE
- CWE-502 - Deserialization of Untrusted Data (CWE-502)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://forums.ivanti.com/s/article/Security-Aler… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Ivanti Avalance |
Affected:
6.3.3
|
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Mitigation
Phases: Architecture and Design, Implementation
Description:
- 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
Phase: Implementation
Description:
- 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
Phase: Implementation
Description:
- Explicitly define a final object() to prevent deserialization.
Mitigation
Phases: Architecture and Design, Implementation
Description:
- 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
Phase: Implementation
Description:
- 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
Phases: Architecture and Design, Implementation
Description:
- 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 ID: MIT-29
Phase: Operation
Strategy: Firewall
Description:
- 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.