Common Weakness Enumeration

CWE-477

Weakness Allowed

Use of Obsolete Function

Abstraction: Base · Status: Draft

The code uses deprecated or obsolete functions, which suggests that the code has not been actively reviewed or maintained.

As programming languages evolve, functions occasionally become obsolete due to:

Advances in the language

Improved understanding of how operations should be performed effectively and securely

Changes in the conventions that govern certain operations

Functions that are removed are usually replaced by newer counterparts that perform the same task in some different and hopefully improved way.

Mapping guidance

This CWE entry is at the Base level of abstraction, which is a preferred level of abstraction for mapping to the root causes of vulnerabilities.

Carefully read both the name and description to ensure that this mapping is an appropriate fit. Do not try to 'force' a mapping to a lower-level Base/Variant simply to comply with this preferred level of abstraction.

Relationships and members
ChildOf: CWE-710 · View CWE-1000
Modes of introduction
Implementation
Detection methods

Automated Static Analysis - Binary or Bytecode

According to SOAR [REF-1479], the following detection techniques may be useful:

Highly cost effective:

Binary / Bytecode Quality Analysis

Cost effective for partial coverage:

Bytecode Weakness Analysis - including disassembler + source code weakness analysis

Effectiveness: High

Manual Static Analysis - Binary or Bytecode

According to SOAR [REF-1479], the following detection techniques may be useful:

Cost effective for partial coverage:

Binary / Bytecode disassembler - then use manual analysis for vulnerabilities & anomalies

Effectiveness: SOAR Partial

Dynamic Analysis with Manual Results Interpretation

According to SOAR [REF-1479], the following detection techniques may be useful:

Highly cost effective:

Debugger

Effectiveness: High

Manual Static Analysis - Source Code

According to SOAR [REF-1479], the following detection techniques may be useful:

Highly cost effective:

Manual Source Code Review (not inspections)

Cost effective for partial coverage:

Focused Manual Spotcheck - Focused manual analysis of source

Effectiveness: High

Automated Static Analysis - Source Code

According to SOAR [REF-1479], the following detection techniques may be useful:

Highly cost effective:

Source Code Quality Analyzer

Source code Weakness Analyzer

Context-configured Source Code Weakness Analyzer

Effectiveness: High

Automated Static Analysis

According to SOAR [REF-1479], the following detection techniques may be useful:

Highly cost effective:

Origin Analysis

Effectiveness: High

Architecture or Design Review

According to SOAR [REF-1479], the following detection techniques may be useful:

Highly cost effective:

Formal Methods / Correct-By-Construction

Inspection (IEEE 1028 standard) (can apply to requirements, design, source code, etc.)

Effectiveness: High

Content history
Submission: 7 Pernicious Kingdoms · 2006-07-19 · CWE Draft 3
Modification: Eric Dalci · Cigital · 2008-07-01 · CWE 1.0

updated Potential_Mitigations, Time_of_Introduction

Modification: CWE Content Team · MITRE · 2008-09-08 · CWE 1.0

updated Relationships, Other_Notes, Taxonomy_Mappings

Modification: CWE Content Team · MITRE · 2009-03-10 · CWE 1.3

updated Other_Notes

Modification: CWE Content Team · MITRE · 2009-05-27 · CWE 1.4

updated Demonstrative_Examples

Modification: CWE Content Team · MITRE · 2009-07-27 · CWE 1.5

updated Demonstrative_Examples

Modification: CWE Content Team · MITRE · 2011-03-29 · CWE 1.12

updated Demonstrative_Examples

Modification: CWE Content Team · MITRE · 2011-06-01 · CWE 1.13

updated Common_Consequences

Modification: CWE Content Team · MITRE · 2011-06-27 · CWE 2.0

updated Common_Consequences

Modification: CWE Content Team · MITRE · 2012-05-11 · CWE 2.2

updated Relationships

Modification: CWE Content Team · MITRE · 2012-10-30 · CWE 2.3

updated Potential_Mitigations

Modification: CWE Content Team · MITRE · 2014-06-23 · CWE 2.7

updated Description, Other_Notes, Potential_Mitigations

Modification: CWE Content Team · MITRE · 2014-07-30 · CWE 2.8

updated Detection_Factors, Relationships, Taxonomy_Mappings

Modification: CWE Content Team · MITRE · 2017-11-08 · CWE 3.0

updated Applicable_Platforms, Name, Relationships, Taxonomy_Mappings

Modification: CWE Content Team · MITRE · 2019-01-03 · CWE 3.2

updated Taxonomy_Mappings, Weakness_Ordinalities

Modification: CWE Content Team · MITRE · 2020-02-24 · CWE 4.0

updated References, Relationships

Modification: CWE Content Team · MITRE · 2020-08-20 · CWE 4.2

updated Relationships

Modification: CWE Content Team · MITRE · 2021-03-15 · CWE 4.4

updated Relationships

Modification: CWE Content Team · MITRE · 2023-04-27 · CWE 4.11

updated Relationships

Modification: CWE Content Team · MITRE · 2023-06-29 · CWE 4.12

updated Mapping_Notes

Modification: CWE Content Team · MITRE · 2025-09-09 · CWE 4.18

updated Detection_Factors, References

Modification: CWE Content Team · MITRE · 2025-12-11 · CWE 4.19

updated Relationships

Modification: CWE Content Team · MITRE · 2026-10-28 · CWE 5.0

updated References

28 vulnerabilities reference this CWE, most recent first.

CVE-2026-1693 (GCVE-0-2026-1693)

Vulnerability from cvelistv5 – Published: 2026-02-26 07:56 – Updated: 2026-03-26 08:20
VLAI
Title
Use of vulnerable Resource Owner Password Credentials flow
Summary
The OAuth grant type Resource Owner Password Credentials (ROPC) flow is still used by the werbservices used by the WebVue, WebScheduler, TouchVue and Snapvue features of PcVue in version 12.0.0 through 16.3.3 included despite being deprecated. It might allow a remote attacker to steal user credentials.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CNA · arcinfo (v2.0.3)
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-26 14:22 UTC
CWE
Assigner
arcinfo CNA under the icscert root
CNA scorecard – unranked: 2 records in the last 180 days, 10 needed details
References
URL Tags
https://www.pcvue.com/security/#SB2026-2 vendor-advisory
Impacted products
Vendor Product Version
arcinfo PcVue Affected: 16.0.0 , ≤ 16.3.3 (cpe)
Affected: 15.0.0 , ≤ 15.2.13 (cpe)
Affected: 12.0.0 (cpe)
    cpe:2.3:a:arcinfo:pcvue:*:*:*:*:*:*:*:*
    cpe:2.3:a:arcinfo:pcvue:*:*:*:*:*:*:*:*
    cpe:2.3:a:arcinfo:pcvue:12.0.0:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-02-25 23:00
Show details on NVD website

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CVE-2025-49220 (GCVE-0-2025-49220)

Vulnerability from cvelistv5 – Published: 2025-06-17 17:43 – Updated: 2026-02-26 17:50
VLAI
Summary
An insecure deserialization operation in Trend Micro Apex Central below version 8.0.7007 could lead to a pre-authentication remote code execution on affected installations. Note that this vulnerability is similar to CVE-2025-49219 but is in a different method.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-18 03:56 UTC
CWE
  • CWE-477 - Use of Obsolete Function
Assigner
trendmicro CNA under the mitre root
CNA scorecard D 57/100 over 16 records in the last 180 days details
Impacted products
Vendor Product Version
Trend Micro, Inc. Trend Micro Apex Central Affected: 8.0 , < 8.0.7007 (semver)
    cpe:2.3:a:trendmicro:apex_central:7007:*:*:en:*:windows_10:x86_64:1809
Create a notification for this product.
Show details on NVD website

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CVE-2025-49219 (GCVE-0-2025-49219)

Vulnerability from cvelistv5 – Published: 2025-06-17 17:43 – Updated: 2026-02-26 17:50
VLAI
Summary
An insecure deserialization operation in Trend Micro Apex Central below versions 8.0.7007 could lead to a pre-authentication remote code execution on affected installations. Note that this vulnerability is similar to CVE-2025-49220 but is in a different method.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-18 03:56 UTC
CWE
  • CWE-477 - Use of Obsolete Function
Assigner
trendmicro CNA under the mitre root
CNA scorecard D 57/100 over 16 records in the last 180 days details
Impacted products
Vendor Product Version
Trend Micro, Inc. Trend Micro Apex Central Affected: 8.0 , < 8.0.7007 (semver)
    cpe:2.3:a:trendmicro:apex_central:7007:*:*:en:*:windows_10:x86_64:1809
Create a notification for this product.
Show details on NVD website

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CVE-2025-49217 (GCVE-0-2025-49217)

Vulnerability from cvelistv5 – Published: 2025-06-17 20:28 – Updated: 2025-06-18 15:53
VLAI
Summary
An insecure deserialization operation in the Trend Micro Endpoint Encryption PolicyServer could lead to a pre-authentication remote code execution on affected installations. Note that this vulnerability is similar to CVE-2025-49213 but is in a different method.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-18 15:51 UTC
CWE
  • CWE-477 - Use of Obsolete Function
Assigner
trendmicro CNA under the mitre root
CNA scorecard D 57/100 over 16 records in the last 180 days details
Impacted products
Vendor Product Version
Trend Micro, Inc. Trend Micro Endpoint Encryption Policy Server Affected: 6.0 , < 6.0.0.4013 (semver)
    cpe:2.3:a:trendmicro:endpoint_encryption_policy_server:6.0.0.4013:p1u6:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2025-49216 (GCVE-0-2025-49216)

Vulnerability from cvelistv5 – Published: 2025-06-17 20:28 – Updated: 2025-06-18 14:05
VLAI
Summary
An authentication bypass vulnerability in the Trend Micro Endpoint Encryption PolicyServer could allow an attacker to access key methods as an admin user and modify product configurations on affected installations.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-18 14:04 UTC
CWE
  • CWE-477 - Use of Obsolete Function
Assigner
trendmicro CNA under the mitre root
CNA scorecard D 57/100 over 16 records in the last 180 days details
Impacted products
Vendor Product Version
Trend Micro, Inc. Trend Micro Endpoint Encryption Policy Server Affected: 6.0 , < 6.0.0.4013 (semver)
    cpe:2.3:a:trendmicro:endpoint_encryption_policy_server:6.0.0.4013:p1u6:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2025-49214 (GCVE-0-2025-49214)

Vulnerability from cvelistv5 – Published: 2025-06-17 20:27 – Updated: 2025-06-18 14:16
VLAI
Summary
An insecure deserialization operation in the Trend Micro Endpoint Encryption PolicyServer could lead to a post-authentication remote code execution on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system to exploit this vulnerability.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-18 14:11 UTC
CWE
  • CWE-477 - Use of Obsolete Function
Assigner
trendmicro CNA under the mitre root
CNA scorecard D 57/100 over 16 records in the last 180 days details
Impacted products
Vendor Product Version
Trend Micro, Inc. Trend Micro Endpoint Encryption Policy Server Affected: 6.0 , < 6.0.0.4013 (semver)
    cpe:2.3:a:trendmicro:endpoint_encryption_policy_server:6.0.0.4013:p1u6:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2025-49213 (GCVE-0-2025-49213)

Vulnerability from cvelistv5 – Published: 2025-06-17 20:27 – Updated: 2025-06-18 14:42
VLAI
Summary
An insecure deserialization operation in the Trend Micro Endpoint Encryption PolicyServer could lead to a pre-authentication remote code execution on affected installations. Note that this vulnerability is similar to CVE-2025-49212 but is in a different method.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-18 14:36 UTC
CWE
  • CWE-477 - Use of Obsolete Function
Assigner
trendmicro CNA under the mitre root
CNA scorecard D 57/100 over 16 records in the last 180 days details
Impacted products
Vendor Product Version
Trend Micro, Inc. Trend Micro Endpoint Encryption Policy Server Affected: 6.0 , < 6.0.0.4013 (semver)
    cpe:2.3:a:trendmicro:endpoint_encryption_policy_server:6.0.0.4013:p1u6:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2025-49212 (GCVE-0-2025-49212)

Vulnerability from cvelistv5 – Published: 2025-06-17 20:27 – Updated: 2025-06-18 14:57
VLAI
Summary
An insecure deserialization operation in the Trend Micro Endpoint Encryption PolicyServer could lead to a pre-authentication remote code execution on affected installations. Note that this vulnerability is similar to CVE-2025-49220 but is in a different method.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-18 14:56 UTC
CWE
  • CWE-477 - Use of Obsolete Function
Assigner
trendmicro CNA under the mitre root
CNA scorecard D 57/100 over 16 records in the last 180 days details
Impacted products
Vendor Product Version
Trend Micro, Inc. Trend Micro Endpoint Encryption Policy Server Affected: 6.0 , < 6.0.0.4013 (semver)
    cpe:2.3:a:trendmicro:endpoint_encryption_policy_server:6.0.0.4013:p1u6:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2023-28829 (GCVE-0-2023-28829)

Vulnerability from cvelistv5 – Published: 2023-06-13 08:17 – Updated: 2025-01-03 01:52
VLAI
Summary
A vulnerability has been identified in SIMATIC NET PC Software V14 (All versions), SIMATIC NET PC Software V15 (All versions), SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC PCS 7 V9.1 (All versions), SIMATIC WinCC (All versions < V8.0), SINAUT Software ST7sc (All versions). Before SIMATIC WinCC V8, legacy OPC services (OPC DA (Data Access), OPC HDA (Historical Data Access), and OPC AE (Alarms & Events)) were used per default. These services were designed on top of the Windows ActiveX and DCOM mechanisms and do not implement state-of-the-art security mechanisms for authentication and encryption of contents.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-03 01:45 UTC
CWE
  • CWE-477 - Use of Obsolete Function
Assigner
siemens CNA under the icscert root
CNA scorecard C 65/100 over 100 records in the last 180 days details
Show details on NVD website

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CVE-2023-23451 (GCVE-0-2023-23451)

Vulnerability from cvelistv5 – Published: 2023-04-19 00:00 – Updated: 2025-02-05 15:24
VLAI
Summary
The Flexi Classic and Flexi Soft Gateways SICK UE410-EN3 FLEXI ETHERNET GATEW. with serial number <=2311xxxx all Firmware versions, SICK UE410-EN1 FLEXI ETHERNET GATEW. with serial number <=2311xxxx all Firmware versions, SICK UE410-EN3S04 FLEXI ETHERNET GATEW. with serial number <=2311xxxx all Firmware versions, SICK UE410-EN4 FLEXI ETHERNET GATEW. with serial number <=2311xxxx all Firmware versions, SICK FX0-GENT00000 FLEXISOFT EIP GATEW. with serial number <=2311xxxx with Firmware <=V2.11.0, SICK FX0-GMOD00000 FLEXISOFT MOD GATEW. with serial number <=2311xxxx with Firmware <=V2.11.0, SICK FX0-GPNT00000 FLEXISOFT PNET GATEW. with serial number <=2311xxxx with Firmware <=V2.12.0, SICK FX0-GENT00030 FLEXISOFT EIP GATEW.V2 with serial number <=2311xxxx all Firmware versions, SICK FX0-GPNT00030 FLEXISOFT PNET GATEW.V2 with serial number <=2311xxxx all Firmware versions and SICK FX0-GMOD00010 FLEXISOFT MOD GW with serial number <=2311xxxx with Firmware <=V2.11.0 all have Telnet enabled by factory default. No password is set in the default configuration.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-05 15:22 UTC
CWE
Assigner
SICK AG CNA
CNA scorecard – unranked: 3 records in the last 180 days, 10 needed details
References
Show details on NVD website

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Mitigation
Implementation

Refer to the documentation for the obsolete function in order to determine why it is deprecated or obsolete and to learn about alternative ways to achieve the same functionality.

Mitigation
Requirements

Consider seriously the security implications of using an obsolete function. Consider using alternate functions.

No CAPEC attack patterns related to this CWE.