CVE-2021-27482— EIPStackGroup OpENer Ethernet/IP Out-of-bounds Read
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I. Basic Information for CVE-2021-27482
Vulnerability Information
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Vulnerability Title
EIPStackGroup OpENer Ethernet/IP Out-of-bounds Read
Source: NVD (National Vulnerability Database)
Vulnerability Description
A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may allow the attacker to read arbitrary data.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
EIPStackGroup OpENer 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EIPStackGroup OpENer是EIPStackGroup组织的一个用于为IO适配器设备提供EtherNet/IP堆栈功能的软件 。 EIPStackGroup OpENer Ethernet/IPA 存在缓冲区错误漏洞，攻击者可利用该漏洞发送的专门制作的数据包可能导致拒绝服务条件。
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 |
|---|---|---|---|---|
| EIPStackGroup | OpENer EtherNet/IP | unspecified ~ Feb 10, 2021 | - |
II. Public POCs for CVE-2021-27482
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02x_refsource_CONFIRM
- https://github.com/EIPStackGroup/OpENerx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-27482
Same Patch Batch · EIPStackGroup · 2022-05-12 · 4 CVEs total
| CVE-2021-27478 | 8.2 HIGH | EIPStackGroup OpENer Ethernet/IP Incorrect Conversion between Numeric Types |
| CVE-2021-27498 | 7.5 HIGH | EIPStackGroup OpENer Ethernet/IP Reachable Assertion |
| CVE-2021-27500 | 7.5 HIGH | EIPStackGroup OpENer Ethernet/IP Reachable Assertion |
IV. Related Vulnerabilities
Same weakness: CWE-125
- CVE-2026-8177
XML::LibXML versions through 2.0210 for Perl read out-of-bou - CVE-2026-6104
Global buffer over-read in mb_convert_encoding() with attack - CVE-2026-7258
Out-of-bounds read in urldecode() on NetBSD - CVE-2026-8186
Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out- - CVE-2026-3508
ASUS System Control Interface 缓冲区错误漏洞
V. Comments for CVE-2021-27482
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