Is CVE-2021-41542 in the CISA KEV catalog?

No. CVE-2021-41542 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-41542?

CVE-2021-41542 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2021-41542?

CVE-2021-41542 has an EPSS score of 0.54% (41th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-41542?

Upgrade climatix pol909 firmware to 11.36 or later.

CVE & CISA-KEV Catalog

CVE-2021-41542

MEDIUM

6.1

CVSS v3

NVD

Description

A vulnerability has been identified in Climatix POL909 (AWB module) (All versions < V11.44), Climatix POL909 (AWM module) (All versions < V11.36). The User Management page of affected devices is vulnerable to cross-site scripting (XSS). The vulnerability allows an attacker to send malicious JavaScript code which could result in hijacking of the user's cookie/session tokens, redirecting the user to a malicious webpage and performing unintended browser action.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

climatix pol909 firmwareNVD

Affected:< 11.36Fixed in:11.36CVE-2021-41542derived from NVD

Affected:< 11.44Fixed in:11.44CVE-2021-41542derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

0.54%probability of exploitation in 30 days

41stpercentile

Moderate risk: more likely to be exploited than 41% of all known CVEs.

References

Patch1

cert-portal.siemens.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.