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Fencer Intel
critical 9.1

CVE-2016-4501 json

Environmental Systems Corporation (ESC) 8832 Data Controller 3.02 and earlier mishandles sessions, which allows remote attackers to bypass…

published 2016-05-31 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-5488

cvss
9.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

Environmental Systems Corporation (ESC) 8832 Data Controller 3.02 and earlier mishandles sessions, which allows remote attackers to bypass authentication and make arbitrary configuration changes via unspecified vectors.

Vendor advisories

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

cisa ICSA-16-147-01B updated cvss 9.1

Environmental Systems Corporation Data Controllers Vulnerabilities

  • Environmental Systems Corporation ESC 8832 <=3.02
    affected: mitigation envirosys.com

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

1.73% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:P/A:N

Classification

Weakness

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.