CVE-2026-20797— Copeland XWEB and XWEB Pro Stack-based Buffer Overflow
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I. Basic Information for CVE-2026-20797
Vulnerability Information
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Vulnerability Title
Copeland XWEB and XWEB Pro Stack-based Buffer Overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A stack based buffer overflow exists in an API route of XWEB Pro version 1.12.1 and prior, enabling unauthenticated attackers to cause stack corruption and a termination of the program.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Copeland多款产品 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Copeland XWEB 500D PRO和Copeland XWEB 500B PRO都是美国Copeland公司的一款先进的商用与工业制冷监控管理系统。 Copeland多款产品存在缓冲区错误漏洞，该漏洞源于API路由存在栈缓冲区溢出，可能导致栈损坏和程序终止。以下产品受到影响：Copeland XWEB 300D PRO,Copeland XWEB 500D PRO,Copeland XWEB 500B PRO。
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 |
|---|---|---|---|---|
| Copeland | Copeland XWEB 300D PRO | 0 ~ 1.12.1 | - | |
| Copeland | Copeland XWEB 500D PRO | 0 ~ 1.12.1 | - | |
| Copeland | Copeland XWEB 500B PRO | 0 ~ 1.12.1 | - |
II. Public POCs for CVE-2026-20797
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Copeland · 2026-02-27 · 23 CVEs total
| CVE-2026-21718 | 10.0 CRITICAL | Copeland XWEB and XWEB Pro Use of a Broken or Risky Cryptographic Algorithm |
| CVE-2026-24663 | 9.0 CRITICAL | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-25085 | 8.6 HIGH | Copeland XWEB and XWEB Pro Unexpected Status Code or Return Value |
| CVE-2026-20902 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-23702 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-20764 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-3037 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-24452 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-25037 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-25721 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-25105 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-25196 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-20910 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-20742 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-21389 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-24695 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-24517 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-24689 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-25195 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
| CVE-2026-25111 | 8.0 HIGH | Copeland XWEB and XWEB Pro OS Command Injection |
Showing top 20 of 23 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Copeland XWEB 300D PRO
Same vendor: Copeland
V. Comments for CVE-2026-20797
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