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CVE-2017-5139

31
FAUCET Score

CVE-2017-5139 describes a critical vulnerability in Honeywell XL Web II controllers (XL1000C500 XLWebExe-2-01-00 and prior, and XLWeb 500 XLWebExe-1-02-08 and prior) where passwords are stored in plaintext and can be disclosed by any user accessing a specific URL. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community attention with 11 mentions and media coverage from SecurityWeek, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
xlwebexe-1-02-08CPE matchmatch criteria
cpe:2.3:o:honeywell:xl_web_ii_controller:xlwebexe-1-02-08:*:*:*:*:*:*:*
xlwebexe-2-01-00CPE matchmatch criteria
cpe:2.3:o:honeywell:xl_web_ii_controller:xlwebexe-2-01-00:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.74%
Probability of exploitation in next 30 days
EPSS Percentile
75.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0174 is in the 63rd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

coollabspatch availablevia llm_extracted

Vendor Advisories (1)

coollabsllm-coollabs-fff6a78e8b439452CRITICAL

XL Web II Controller Password Exposure Vulnerabilities ICSA-17-033-01

Feb 2, 2017

References

ics-cert.us-cert.gov / advisories/ICSA-17-033-01
Third Party AdvisoryUS Government Resource
securityfocus.com / bid/95971
Third Party AdvisoryVDB Entry