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CVE-2017-5571: Open redirect vulnerability in the lmadmin component in Flexera FlexNet Publisher (aka Flex License Manager) 1

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This month
MEDIUM 6.1UPGRADE

CVE-2017-5571 is a medium-severity flaw (CVSS 6.1) affecting flexnet publisher. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Open redirect vulnerability in the lmadmin component in Flexera FlexNet Publisher (aka Flex License Manager) 11.14.1 and earlier, as used in Citrix License Server for Windows and the Citrix License Server VPX, allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.1 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance1.8% (top 22%)
CISA exploited listNo
WeaknessCWE-601
Published2017-03-03
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: flexerasoftware

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

Am I affected?

Timeline

flexerasoftware flexnet publisher UPGRADE
Affected: <= 11.14.1
Fixed in: newer than 11.14.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy flexnet-publisher || rpm -q flexnet-publisher || flexnet-publisher --version
2. UPGRADE to newer than 11.14.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade flexnet-publisher
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade flexnet-publisher
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-2017-5571?

flexnet publisher: upgrade to newer than 11.14.1. Exact commands for each OS are on this page.

Is CVE-2017-5571 being exploited?

CVE-2017-5571 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-2017-5571 affect?

CVE-2017-5571 affects flexnet publisher. Severity is medium (CVSS 6.1). Open redirect vulnerability in the lmadmin component in Flexera FlexNet Publisher (aka Flex License Manager) 11.14.1 and earlier, as used in Citrix License Server for Windows and the Citrix License Server VPX, allows remote attackers to red

How urgent is CVE-2017-5571?

Priority 41/100. No elevated risk signals yet.

Software pages

Windows vulnerabilities · Citrix vulnerabilities

Related CVEs

References

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