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NVD Vulnerability Details :
CVE-2026-21718
Analyzed
More InfoOfficial Page
Source-ics-cert@hq.dhs.gov
View Known Exploited Vulnerability (KEV) details
Published At-27 Feb, 2026 | 01:16
Updated At-27 Feb, 2026 | 23:11

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.110.0CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Primary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 10.0
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CPE Matches
copeland
copeland
>>xweb_300d_pro_firmware>>Versions up to 1.12.1(inclusive)
cpe:2.3:o:copeland:xweb_300d_pro_firmware:*:*:*:*:*:*:*:*
copeland
copeland
>>xweb_300d_pro>>-
cpe:2.3:h:copeland:xweb_300d_pro:-:*:*:*:*:*:*:*
copeland
copeland
>>xweb_500d_pro_firmware>>Versions up to 1.12.1(inclusive)
cpe:2.3:o:copeland:xweb_500d_pro_firmware:*:*:*:*:*:*:*:*
copeland
copeland
>>xweb_500d_pro>>-
cpe:2.3:h:copeland:xweb_500d_pro:-:*:*:*:*:*:*:*
copeland
copeland
>>xweb_500b_pro_firmware>>Versions up to 1.12.1(inclusive)
cpe:2.3:o:copeland:xweb_500b_pro_firmware:*:*:*:*:*:*:*:*
copeland
copeland
>>xweb_500b_pro>>-
cpe:2.3:h:copeland:xweb_500b_pro:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-327Primaryics-cert@hq.dhs.gov
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE ID: CWE-327
Type: Primary
Source: ics-cert@hq.dhs.gov
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.jsonics-cert@hq.dhs.gov
Third Party Advisory
https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdateics-cert@hq.dhs.gov
Product
https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10ics-cert@hq.dhs.gov
Third Party Advisory
US Government Resource
Hyperlink: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json
Source: ics-cert@hq.dhs.gov
Resource:
Third Party Advisory
Hyperlink: https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate
Source: ics-cert@hq.dhs.gov
Resource:
Product
Hyperlink: https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10
Source: ics-cert@hq.dhs.gov
Resource:
Third Party Advisory
US Government Resource
Change History
0Changes found
Details not found