CVE-2016-4501: Environmental Systems Corporation (ESC) 8832 Data Controller 3.02 and earlier mishandles sessions, which allow

Q: How do I fix CVE-2016-4501?

esc 8832 data controller: upgrade to newer than 3.02. Exact commands for each OS are on this page.

Q: Is CVE-2016-4501 being exploited?

CVE-2016-4501 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2016-4501 affect?

CVE-2016-4501 affects esc 8832 data controller. Severity is critical (CVSS 9.1). 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.

Q: How urgent is CVE-2016-4501?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.1REMOTEUPGRADE

CVE-2016-4501 is a critical-severity flaw (CVSS 9.1) affecting esc 8832 data controller. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 22%)
CISA exploited list	No
Weakness	CWE-284
Published	2016-05-31
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: envirosys

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2016-05-31 01:59 UTCPublished CVE record published
2026-06-17 00:47 UTCUpdated Record last modified

envirosys esc 8832 data controller UPGRADE

Affected: <= 3.02

Fixed in: newer than 3.02

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy esc-8832-data-controller || rpm -q esc-8832-data-controller || esc-8832-data-controller --version

2. UPGRADE to newer than 3.02 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade esc-8832-data-controller

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade esc-8832-data-controller

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2016-4501?

esc 8832 data controller: upgrade to newer than 3.02. Exact commands for each OS are on this page.

Is CVE-2016-4501 being exploited?

CVE-2016-4501 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2016-4501 affect?

CVE-2016-4501 affects esc 8832 data controller. Severity is critical (CVSS 9.1). 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.

How urgent is CVE-2016-4501?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2016-4502 HIGH 7.5 UPGRADE Environmental Systems Corporation (ESC) 8832 Data Controller 3.02 and earlier allows remote attackers to bypas

References

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