How severe is CVE-2017-5142?

CVE-2017-5142 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2017-5142 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5142?

CVE-2017-5142 primarily affects Honeywell Xl Web Ii Controller. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-5142?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-5142 published?

CVE-2017-5142 was published on 2017-02-13 and last updated on 2026-06-17.

CVE-2017-5142

CVE-2017-5142 is a critical-severity vulnerability in Honeywell Xl Web Ii Controller with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.5
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Honeywell Xl Web Ii Controller
Published: 2017-02-13
Last modified: 2026-06-17

Description

An issue was discovered in Honeywell XL Web II controller XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500 XLWebExe-1-02-08 and prior. A user with low privileges is able to open and change the parameters by accessing a specific URL because of Improper Privilege Management.

Frequently asked questions

What is CVE-2017-5142?: An issue was discovered in Honeywell XL Web II controller XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500 XLWebExe-1-02-08 and prior. A user with low privileges is able to open and change the parameters by accessing a specific URL because of Improper Privilege Management.
How severe is CVE-2017-5142?: CVE-2017-5142 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2017-5142 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5142?: CVE-2017-5142 primarily affects Honeywell Xl Web Ii Controller. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-5142?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-5142 published?: CVE-2017-5142 was published on 2017-02-13 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:honeywell:xl_web_ii_controller:xlwebexe-1-02-08:*:*:*:*:*:*:*
cpe:2.3:o:honeywell:xl_web_ii_controller:xlwebexe-2-01-00:*:*:*:*:*:*:*

More vulnerabilities in Honeywell Xl Web Ii Controller

CVE-2017-5140 — Critical (CVSS 9.8): An issue was discovered in Honeywell XL Web II controller XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500…
CVE-2017-5139 — Critical (CVSS 9.8): An issue was discovered in Honeywell XL Web II controller XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500…
CVE-2017-5143 — High (CVSS 8.6): An issue was discovered in Honeywell XL Web II controller XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500…
CVE-2017-5141 — Medium (CVSS 6.0): An issue was discovered in Honeywell XL Web II controller XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500…

All CVEs affecting Honeywell Xl Web Ii Controller →

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