Copeland XWEB 300D PRO/XWEB 500D PRO/XWEB 500B PRO up to 1.12.1 Request Body os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Copeland XWEB 300D PRO, XWEB 500D PRO and XWEB 500B PRO up to 1.12.1. This impacts an unknown function of the component Request Body Handler. Performing a manipulation results in os command injection. This vulnerability was named CVE-2026-21389. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in Copeland XWEB 300D PRO, XWEB 500D PRO and XWEB 500B PRO up to 1.12.1. This affects an unknown code of the component Request Body Handler. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An OS command injection vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling an authenticated attacker to achieve remote code execution on the system by injecting malicious input into the request body sent to the contacts import route.

The weakness was presented with Claroty Team82. The advisory is shared at webapps.copeland.com. This vulnerability is uniquely identified as CVE-2026-21389 since 02/05/2026. The exploitability is told to be difficult. It is possible to initiate the attack remotely. Additional levels of successful authentication are necessary for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/01/2026). MITRE ATT&CK project uses the attack technique T1202 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 6.6
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CNA Base Score: 8.0
CNA Vector (icscert): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/05/2026 CVE reserved
02/27/2026 +22 days Advisory disclosed
02/27/2026 +0 days VulDB entry created
03/01/2026 +2 days VulDB entry last update

Sourcesinfo

Advisory: webapps.copeland.com
Organization: Claroty Team82
Status: Confirmed

CVE: CVE-2026-21389 (🔒)
GCVE (CVE): GCVE-0-2026-21389
GCVE (VulDB): GCVE-100-348093

Entryinfo

Created: 02/27/2026 07:41
Updated: 03/01/2026 16:49
Changes: 02/27/2026 07:41 (63), 03/01/2026 16:49 (12)
Complete: 🔍
Cache ID: 216::103

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