CVE-2021-34582 : In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 a user with high privileges can inject HTM

In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 a user with high privileges can inject HTML code (XSS) through web-based management or the REST API with a manipulated certificate file.

Published 2021-11-10 12:15:15

Updated 2022-07-28 09:32:58

Source CERT VDE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Exploit prediction scoring system (EPSS) score for CVE-2021-34582

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 21 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-34582

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.5	LOW	AV:N/AC:M/Au:S/C:N/I:P/A:N	6.8	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
4.8	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N	1.7	2.7	CERT VDE
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None
4.8	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N	1.7	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2021-34582

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: info@cert.vde.com (Primary)

Products affected by CVE-2021-34582

Phoenixcontact » Fl Mguard 1102 Firmware » Version: 1.4.0
cpe:2.3:o:phoenixcontact:fl_mguard_1102_firmware:1.4.0:*:*:*:*:*:*:*
Matching versions
When used together with: Phoenixcontact » Fl Mguard 1102 » Version: N/A
Phoenixcontact » Fl Mguard 1102 Firmware » Version: 1.4.1
cpe:2.3:o:phoenixcontact:fl_mguard_1102_firmware:1.4.1:*:*:*:*:*:*:*
Matching versions
When used together with: Phoenixcontact » Fl Mguard 1102 » Version: N/A
Phoenixcontact » Fl Mguard 1102 Firmware » Version: 1.5.0
cpe:2.3:o:phoenixcontact:fl_mguard_1102_firmware:1.5.0:*:*:*:*:*:*:*
Matching versions
When used together with: Phoenixcontact » Fl Mguard 1102 » Version: N/A
Phoenixcontact » Fl Mguard 1105 Firmware » Version: 1.4.0
cpe:2.3:o:phoenixcontact:fl_mguard_1105_firmware:1.4.0:*:*:*:*:*:*:*
Matching versions
When used together with: Phoenixcontact » Fl Mguard 1105 » Version: N/A
Phoenixcontact » Fl Mguard 1105 Firmware » Version: 1.4.1
cpe:2.3:o:phoenixcontact:fl_mguard_1105_firmware:1.4.1:*:*:*:*:*:*:*
Matching versions
When used together with: Phoenixcontact » Fl Mguard 1105 » Version: N/A
Phoenixcontact » Fl Mguard 1105 Firmware » Version: 1.5.0
cpe:2.3:o:phoenixcontact:fl_mguard_1105_firmware:1.5.0:*:*:*:*:*:*:*
Matching versions
When used together with: Phoenixcontact » Fl Mguard 1105 » Version: N/A

Vulnerability Details : CVE-2021-34582

Exploit prediction scoring system (EPSS) score for CVE-2021-34582

CVSS scores for CVE-2021-34582

CWE ids for CVE-2021-34582

References for CVE-2021-34582

Products affected by CVE-2021-34582