CVE-2017-5139 — An issue was discovered in Honeywell XL Web II controller XL1000C500 XLWebExe-2-

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. Any user is able to disclose a password by accessing a specific URL, because of Plaintext Storage of a Password.

01What is this vulnerability?

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. Any user is able to disclose a password by accessing a specific URL, because of Plaintext Storage of a Password.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2017-02-13T21:59:02.360
• Last modified: 2026-05-13T00:24:29.033

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/95971
• ics-cert.us-cert.gov — https://ics-cert.us-cert.gov/advisories/ICSA-17-033-01
• www.securityfocus.com — http://www.securityfocus.com/bid/95971
• ics-cert.us-cert.gov — https://ics-cert.us-cert.gov/advisories/ICSA-17-033-01