CVE-2019-19550: Remote Authentication Bypass in Senior Rubiweb 6.2.34.28 and 6.2.34.37 allows admin access to sensitive inform

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2019-19550 is a high-severity flaw (CVSS 7.5) affecting rubiweb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Remote Authentication Bypass in Senior Rubiweb 6.2.34.28 and 6.2.34.37 allows admin access to sensitive information of affected users using vulnerable versions. The attacker only needs to provide the correct URL.

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	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Weakness	CWE-200
Published	2020-01-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: senior

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

Am I affected?

Timeline

2020-01-31 14:15 UTCPublished CVE record published
2026-06-17 02:26 UTCUpdated Record last modified

senior rubiweb DOWNGRADE

Affected: 6.2.34.28 · 6.2.34.37

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.2.34.28

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 6.2.34.28 (Debian / Ubuntu)

apt-cache madison rubiweb sudo apt install rubiweb=<VERSION_BEFORE_6.2.34.28> sudo apt-mark hold rubiweb

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

dnf --showduplicates list rubiweb sudo dnf downgrade rubiweb-<VERSION_BEFORE_6.2.34.28> sudo dnf versionlock add rubiweb

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-2019-19550?

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

Is CVE-2019-19550 being exploited?

CVE-2019-19550 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-2019-19550 affect?

CVE-2019-19550 affects rubiweb. Severity is high (CVSS 7.5). Remote Authentication Bypass in Senior Rubiweb 6.2.34.28 and 6.2.34.37 allows admin access to sensitive information of affected users using vulnerable versions. The attacker only needs to provide the correct URL.

How urgent is CVE-2019-19550?

Priority 56/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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