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Fencer Intel
high 8.8

CVE-2017-16731 json

An Unprotected Transport of Credentials issue was discovered in ABB Ellipse 8.3 through Ellipse 8.9 released prior to December 2017 (includ…

published 2017-12-20 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-7915

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

An Unprotected Transport of Credentials issue was discovered in ABB Ellipse 8.3 through Ellipse 8.9 released prior to December 2017 (including Ellipse Select). A vulnerability exists in the authentication of Ellipse to LDAP/AD using the LDAP protocol. An attacker could exploit the vulnerability by sniffing local network traffic, allowing the discovery of authentication credentials.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-17-353-01 updated cvss 6.5

ABB Ellipse

  • ABB Ellipse 8.8.12, 8.6.21, 8.9.6, 8.5.26
    affected: vendor fix, mitigation “Ellipse 8.5.26 Release 7, Dec 2017”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 2.9 AV:A/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • n/a ABB Ellipse

Classification

Weakness
  • CWE-523 Unprotected Transport of Credentials
  • CWE-522 Insufficiently Protected Credentials

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.