Copeland XWEB and XWEB Pro Use of a Broken or Risky Cryptographic Algorithm
Priority MEDIUM 50CWE-327Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-327.
Summary
An authentication bypass vulnerability exists in Copeland XWEB Pro version 1.12.1 and prior, enabling any attackers to bypass the authentication requirement and achieve pre-authenticated code execution on the system.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00692 53rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Copeland | Copeland XWEB 300D PRO | up to 1.12.1 | — | No fix listed | CNA |
| Copeland | Copeland XWEB 500D PRO | up to 1.12.1 | — | No fix listed | CNA |
| Copeland | Copeland XWEB 500B PRO | up to 1.12.1 | — | No fix listed | CNA |
- Copeland XWEB 300D PRO VendorCopeland Affected up to 1.12.1 Fixed in — No fix listed CNA
- Copeland XWEB 500D PRO VendorCopeland Affected up to 1.12.1 Fixed in — No fix listed CNA
- Copeland XWEB 500B PRO VendorCopeland Affected up to 1.12.1 Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:copeland:xweb_300d_pro_firmware:*:*:*:*:*:*:*:* | up to 1.12.1 | Vulnerable | Copeland |
| cpe:2.3:h:copeland:xweb_300d_pro:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Copeland |
| cpe:2.3:o:copeland:xweb_500d_pro_firmware:*:*:*:*:*:*:*:* | up to 1.12.1 | Vulnerable | Copeland |
| cpe:2.3:h:copeland:xweb_500d_pro:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Copeland |
| cpe:2.3:o:copeland:xweb_500b_pro_firmware:*:*:*:*:*:*:*:* | up to 1.12.1 | Vulnerable | Copeland |
| cpe:2.3:h:copeland:xweb_500b_pro:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Copeland |
- cpe:2.3:o:copeland:xweb_300d_pro_firmware:*:*:*:*:*:*:*:* Versions up to 1.12.1 Vulnerable ·Copeland
- cpe:2.3:h:copeland:xweb_300d_pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Copeland
- cpe:2.3:o:copeland:xweb_500d_pro_firmware:*:*:*:*:*:*:*:* Versions up to 1.12.1 Vulnerable ·Copeland
- cpe:2.3:h:copeland:xweb_500d_pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Copeland
- cpe:2.3:o:copeland:xweb_500b_pro_firmware:*:*:*:*:*:*:*:* Versions up to 1.12.1 Vulnerable ·Copeland
- cpe:2.3:h:copeland:xweb_500b_pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Copeland
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-21718
- 2026-10-03 Alias added: GHSA-7r34-g88h-g49f
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
More Copeland Xweb 300d Pro Firmware vulnerabilities
- TI-2026-20260 Copeland XWEB and XWEB Pro Unexpected Status Code or Return Value CVSS 3.1CRITICAL 9.8
- TI-2026-19885 Copeland XWEB and XWEB Pro OS Command Injection CVSS 3.1CRITICAL 9.8
- TI-2026-20790 Copeland XWEB and XWEB Pro OS Command Injection CVSS 3.1HIGH 8.8
- TI-2026-20352 Copeland XWEB and XWEB Pro OS Command Injection CVSS 3.1HIGH 8.8
- TI-2026-20274 Copeland XWEB and XWEB Pro OS Command Injection CVSS 3.1HIGH 8.8
- TI-2026-20272 Copeland XWEB and XWEB Pro OS Command Injection CVSS 3.1HIGH 8.8
Sources
- CVE-2026-21718 · CVE Program
- CVE-2026-21718 · NVD
- FIRST EPSS
- GHSA-7r34-g88h-g49f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences