CVE-2022-2973— MZ Automation libIEC61850 NULL Pointer Dereference
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I. Basic Information for CVE-2022-2973
Vulnerability Information
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Vulnerability Title
MZ Automation libIEC61850 NULL Pointer Dereference
Source: NVD (National Vulnerability Database)
Vulnerability Description
MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) uses a NULL pointer in certain situations. which could allow an attacker to crash the server.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mz Automation Libiec61850 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mz Automation Libiec61850是Mz Automation公司的一个IEC 61850协议的开源库。 Mz Automation Libiec61850 存在代码问题漏洞，该漏洞源于其在某些情况下使用空指针。这可能会让攻击者使服务器崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| MZ Automation | libIEC61850 | All ~ 1.4 | - |
II. Public POCs for CVE-2022-2973
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2022-2973
Same Patch Batch · MZ Automation · 2022-09-23 · 4 CVEs total
| CVE-2022-2970 | 10.0 CRITICAL | MZ Automation libIEC61850 Stack-Based Buffer Overflow |
| CVE-2022-2972 | 10.0 CRITICAL | MZ Automation libIEC61850 Stack-Based Buffer Overflow |
| CVE-2022-2971 | 8.6 HIGH | MZ Automation libIEC61850 Access of Resource Using Incompatible Type ('Type Confusion') |
IV. Related Vulnerabilities
Same product: libIEC61850
- CVE-2022-3976
MZ Automation libiec61850 MMS File Services mms_client_files - CVE-2022-2970
MZ Automation libIEC61850 Stack-Based Buffer Overflow - CVE-2022-2972
MZ Automation libIEC61850 Stack-Based Buffer Overflow - CVE-2022-2971
MZ Automation libIEC61850 Access of Resource Using Incompati - CVE-2022-21159
Mz Automation Libiec61850 安全漏洞
Same vendor: MZ Automation
- CVE-2022-3976
MZ Automation libiec61850 MMS File Services mms_client_files - CVE-2022-2970
MZ Automation libIEC61850 Stack-Based Buffer Overflow - CVE-2022-2972
MZ Automation libIEC61850 Stack-Based Buffer Overflow - CVE-2022-2971
MZ Automation libIEC61850 Access of Resource Using Incompati - CVE-2022-1302
Malformed Goose Message in LibIEC61850 may result in a denia
Same weakness: CWE-476
- CVE-2026-8252
Open5GS SMF smf_nsmf_handle_create_data_in_hsmf null pointer - CVE-2026-7259
Null pointer dereference in php_mb_check_encoding() via mb_e - CVE-2026-7262
NULL pointer dereference in SOAP apache:Map decoder with mis - CVE-2026-42183
Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference - CVE-2026-6666
PgBouncer crash in kill_pool_logins_server_error
V. Comments for CVE-2022-2973
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