CWE-502
AllowedDeserialization of Untrusted Data
Abstraction: Base · Status: Draft
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
4819 vulnerabilities reference this CWE, most recent first.
CVE-2025-23303 (GCVE-0-2025-23303)
Vulnerability from cvelistv5 – Published: 2025-08-13 17:15 – Updated: 2026-02-26 17:48- CWE-502 - Deserialization of Untrusted Data
| Vendor | Product | Version | |
|---|---|---|---|
| NVIDIA | NVIDIA NeMo Framework |
Affected:
All versions prior to 2.3.2
|
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CVE-2025-23254 (GCVE-0-2025-23254)
Vulnerability from cvelistv5 – Published: 2025-05-01 14:05 – Updated: 2025-05-01 14:51- CWE-502 - Deserialization of Untrusted Data
| Vendor | Product | Version | |
|---|---|---|---|
| NVIDIA | TensorRT-LLM |
Affected:
All versions prior to 0.18.2
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CVE-2025-23249 (GCVE-0-2025-23249)
Vulnerability from cvelistv5 – Published: 2025-04-22 15:30 – Updated: 2026-02-26 18:28- CWE-502 - Deserialization of Untrusted Data
| Vendor | Product | Version | |
|---|---|---|---|
| NVIDIA | NeMo Framework |
Affected:
All versions prior to 25.02
|
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CVE-2025-23045 (GCVE-0-2025-23045)
Vulnerability from cvelistv5 – Published: 2025-01-28 15:19 – Updated: 2025-01-28 16:16- CWE-502 - Deserialization of Untrusted Data
| URL | Tags |
|---|---|
| https://github.com/cvat-ai/cvat/security/advisori… | x_refsource_CONFIRM |
| https://github.com/cvat-ai/cvat/commit/563e1dfde6… | x_refsource_MISC |
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CVE-2025-23006 (GCVE-0-2025-23006)
Vulnerability from cvelistv5 – Published: 2025-01-23 11:37 – Updated: 2026-02-26 19:08- CWE-502 - Deserialization of Untrusted Data
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CVE-2025-22777 (GCVE-0-2025-22777)
Vulnerability from cvelistv5 – Published: 2025-01-13 13:10 – Updated: 2026-04-28 16:11- CWE-502 - Deserialization of Untrusted Data
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
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CVE-2025-22526 (GCVE-0-2025-22526)
Vulnerability from cvelistv5 – Published: 2025-03-28 15:12 – Updated: 2026-04-28 16:11- CWE-502 - Deserialization of Untrusted Data
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
| Vendor | Product | Version | |
|---|---|---|---|
| mywebtonet | PHP/MySQL CPU performance statistics |
Affected:
0 , ≤ 1.2.1
(custom)
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CVE-2025-22510 (GCVE-0-2025-22510)
Vulnerability from cvelistv5 – Published: 2025-01-09 15:39 – Updated: 2026-04-28 16:11- CWE-502 - Deserialization of Untrusted Data
| URL | Tags |
|---|---|
| https://patchstack.com/database/Wordpress/Plugin/… | vdb-entry |
| Vendor | Product | Version | |
|---|---|---|---|
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Affected:
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CVE-2025-21364 (GCVE-0-2025-21364)
Vulnerability from cvelistv5 – Published: 2025-01-14 18:04 – Updated: 2026-06-09 18:29- CWE-502 - Deserialization of Untrusted Data
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Affected:
16.0.1 , < https://aka.ms/OfficeSecurityReleases
(custom)
|
|
| Microsoft | Microsoft Office LTSC 2024 |
Affected:
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CVE-2025-20276 (GCVE-0-2025-20276)
Vulnerability from cvelistv5 – Published: 2025-06-04 16:18 – Updated: 2026-02-26 18:27- CWE-502 - Deserialization of Untrusted Data
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Unified Contact Center Express |
Affected:
10.6(1)
Affected: 10.5(1)SU1 Affected: 10.6(1)SU3 Affected: 12.0(1) Affected: 10.0(1)SU1 Affected: 10.6(1)SU1 Affected: 11.0(1)SU1 Affected: 11.5(1)SU1 Affected: 10.5(1) Affected: 11.6(1) Affected: 11.6(2) Affected: 12.5(1) Affected: 12.5(1)SU1 Affected: 12.5(1)SU2 Affected: 12.5(1)SU3 Affected: 12.5(1)_SU03_ES01 Affected: 12.5(1)_SU03_ES02 Affected: 12.5(1)_SU02_ES03 Affected: 12.5(1)_SU02_ES04 Affected: 12.5(1)_SU02_ES02 Affected: 12.5(1)_SU01_ES02 Affected: 12.5(1)_SU01_ES03 Affected: 12.5(1)_SU02_ES01 Affected: 11.6(2)ES07 Affected: 11.6(2)ES08 Affected: 12.5(1)_SU01_ES01 Affected: 12.0(1)ES04 Affected: 12.5(1)ES02 Affected: 12.5(1)ES03 Affected: 11.6(2)ES06 Affected: 12.5(1)ES01 Affected: 12.0(1)ES03 Affected: 12.0(1)ES01 Affected: 11.6(2)ES05 Affected: 12.0(1)ES02 Affected: 11.6(2)ES04 Affected: 11.6(2)ES03 Affected: 11.6(2)ES02 Affected: 11.6(2)ES01 Affected: 10.6(1)SU3ES03 Affected: 11.0(1)SU1ES03 Affected: 10.6(1)SU3ES01 Affected: 10.5(1)SU1ES10 Affected: 10.0(1)SU1ES04 Affected: 11.5(1)SU1ES03 Affected: 11.6(1)ES02 Affected: 11.5(1)ES01 Affected: 9.0(2)SU3ES04 Affected: 10.6(1)SU2 Affected: 10.6(1)SU2ES04 Affected: 11.6(1)ES01 Affected: 10.6(1)SU3ES02 Affected: 11.5(1)SU1ES02 Affected: 11.5(1)SU1ES01 Affected: 8.5(1) Affected: 11.0(1)SU1ES02 Affected: 12.5(1)_SU03_ES03 Affected: 12.5(1)_SU03_ES04 Affected: 12.5(1)_SU03_ES05 Affected: 12.5(1)_SU03_ES06 |
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"version": "12.0(1)ES04"
},
{
"status": "affected",
"version": "12.5(1)ES02"
},
{
"status": "affected",
"version": "12.5(1)ES03"
},
{
"status": "affected",
"version": "11.6(2)ES06"
},
{
"status": "affected",
"version": "12.5(1)ES01"
},
{
"status": "affected",
"version": "12.0(1)ES03"
},
{
"status": "affected",
"version": "12.0(1)ES01"
},
{
"status": "affected",
"version": "11.6(2)ES05"
},
{
"status": "affected",
"version": "12.0(1)ES02"
},
{
"status": "affected",
"version": "11.6(2)ES04"
},
{
"status": "affected",
"version": "11.6(2)ES03"
},
{
"status": "affected",
"version": "11.6(2)ES02"
},
{
"status": "affected",
"version": "11.6(2)ES01"
},
{
"status": "affected",
"version": "10.6(1)SU3ES03"
},
{
"status": "affected",
"version": "11.0(1)SU1ES03"
},
{
"status": "affected",
"version": "10.6(1)SU3ES01"
},
{
"status": "affected",
"version": "10.5(1)SU1ES10"
},
{
"status": "affected",
"version": "10.0(1)SU1ES04"
},
{
"status": "affected",
"version": "11.5(1)SU1ES03"
},
{
"status": "affected",
"version": "11.6(1)ES02"
},
{
"status": "affected",
"version": "11.5(1)ES01"
},
{
"status": "affected",
"version": "9.0(2)SU3ES04"
},
{
"status": "affected",
"version": "10.6(1)SU2"
},
{
"status": "affected",
"version": "10.6(1)SU2ES04"
},
{
"status": "affected",
"version": "11.6(1)ES01"
},
{
"status": "affected",
"version": "10.6(1)SU3ES02"
},
{
"status": "affected",
"version": "11.5(1)SU1ES02"
},
{
"status": "affected",
"version": "11.5(1)SU1ES01"
},
{
"status": "affected",
"version": "8.5(1)"
},
{
"status": "affected",
"version": "11.0(1)SU1ES02"
},
{
"status": "affected",
"version": "12.5(1)_SU03_ES03"
},
{
"status": "affected",
"version": "12.5(1)_SU03_ES04"
},
{
"status": "affected",
"version": "12.5(1)_SU03_ES05"
},
{
"status": "affected",
"version": "12.5(1)_SU03_ES06"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the web-based management interface of Cisco Unified CCX could allow an authenticated, remote attacker to execute arbitrary code on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials.\u0026nbsp;\r\n\r\nThis vulnerability is due to insecure deserialization of Java objects by the affected software. An attacker could exploit this vulnerability by sending a crafted Java object to an affected device. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system of an affected device as a low-privilege user. A successful exploit could also allow the attacker to undertake further actions to elevate their privileges to root."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 3.8,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-502",
"description": "Deserialization of Untrusted Data",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-06-04T16:18:04.091Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-uccx-multi-UhOTvPGL",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uccx-multi-UhOTvPGL"
}
],
"source": {
"advisory": "cisco-sa-uccx-multi-UhOTvPGL",
"defects": [
"CSCwk24108"
],
"discovery": "EXTERNAL"
},
"title": "Cisco Unified Contact Center Express Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2025-20276",
"datePublished": "2025-06-04T16:18:04.091Z",
"dateReserved": "2024-10-10T19:15:13.246Z",
"dateUpdated": "2026-02-26T18:27:35.729Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation
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
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
Explicitly define a final object() to prevent deserialization.
Mitigation
- 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
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
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
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.