CVE-2019-14278: In Knowage through 6.1.1, an unauthenticated user can enumerated valid usernames via the ChangePwdServlet page

Q: How do I fix CVE-2019-14278?

knowage: upgrade to newer than 6.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2019-14278 being exploited?

CVE-2019-14278 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-2019-14278 affect?

CVE-2019-14278 affects knowage. Severity is medium (CVSS 5.3). In Knowage through 6.1.1, an unauthenticated user can enumerated valid usernames via the ChangePwdServlet page.

Q: How urgent is CVE-2019-14278?

Priority 40/100. Remotely exploitable, no login, no user action

This month

MEDIUM 5.3REMOTEUPGRADE

CVE-2019-14278 is a medium-severity flaw (CVSS 5.3) affecting knowage. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Knowage through 6.1.1, an unauthenticated user can enumerated valid usernames via the ChangePwdServlet page.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Published	2019-09-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: knowage-suite

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

Am I affected?

Timeline

2019-09-05 18:15 UTCPublished CVE record published
2026-06-17 02:18 UTCUpdated Record last modified

knowage-suite knowage UPGRADE

Affected: <= 6.1.1

Fixed in: newer than 6.1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy knowage || rpm -q knowage || knowage --version

2. UPGRADE to newer than 6.1.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade knowage

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade knowage

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-2019-14278?

knowage: upgrade to newer than 6.1.1. Exact commands for each OS are on this page.

Is CVE-2019-14278 being exploited?

CVE-2019-14278 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-2019-14278 affect?

CVE-2019-14278 affects knowage. Severity is medium (CVSS 5.3). In Knowage through 6.1.1, an unauthenticated user can enumerated valid usernames via the ChangePwdServlet page.

How urgent is CVE-2019-14278?

Priority 40/100. Remotely exploitable, no login, no user action

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References

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