CVE-2017-16776: Security researchers discovered an authentication bypass vulnerability in version 2.0.2 of the Conserus Workfl

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HIGH 8.1REMOTEDOWNGRADE

CVE-2017-16776 is a high-severity flaw (CVSS 8.1) affecting conserus workflow intelligence. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Security researchers discovered an authentication bypass vulnerability in version 2.0.2 of the Conserus Workflow Intelligence application by McKesson Medical Imaging Company, which is now a Change Healthcare company. The attacker must send a malicious HTTP GET request to exploit the vulnerability. The vulnerability allows an attacker to bypass authentication and escalate privileges of valid users. An unauthenticated attacker can exploit the vulne

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Published	2017-12-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mckesson

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

Am I affected?

Timeline

2017-12-15 18:29 UTCPublished CVE record published
2026-06-17 01:09 UTCUpdated Record last modified

mckesson conserus workflow intelligence DOWNGRADE

Affected: 2.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.2

1. Check installed version

apt-cache policy conserus-workflow-intelligence || rpm -q conserus-workflow-intelligence || conserus-workflow-intelligence --version

2. No fixed release: DOWNGRADE to a release before 2.0.2 (Debian / Ubuntu)

apt-cache madison conserus-workflow-intelligence sudo apt install conserus-workflow-intelligence=<VERSION_BEFORE_2.0.2> sudo apt-mark hold conserus-workflow-intelligence

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list conserus-workflow-intelligence sudo dnf downgrade conserus-workflow-intelligence-<VERSION_BEFORE_2.0.2> sudo dnf versionlock add conserus-workflow-intelligence

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2017-16776?

conserus workflow intelligence: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-16776 being exploited?

CVE-2017-16776 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-2017-16776 affect?

CVE-2017-16776 affects conserus workflow intelligence. Severity is high (CVSS 8.1). Security researchers discovered an authentication bypass vulnerability in version 2.0.2 of the Conserus Workflow Intelligence application by McKesson Medical Imaging Company, which is now a Change Healthcare company. The attacker must send

How urgent is CVE-2017-16776?

Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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