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Fencer Vulns
high 7.4

CVE-2018-12331 json

Authentication Bypass by Spoofing vulnerability in ECOS System Management Appliance (aka SMA) 5.2.68 allows a man-in-the-middle attacker to…

published 2018-06-17 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-4305

cvss
7.4
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

Authentication Bypass by Spoofing vulnerability in ECOS System Management Appliance (aka SMA) 5.2.68 allows a man-in-the-middle attacker to compromise authentication keys and configurations via IP spoofing during "Easy Enrollment."

Exploit prediction

0.94% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.4 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N

Classification

Weakness
  • CWE-290 Authentication Bypass by Spoofing

References

Sources

Fencer Vulns 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.