CVE-2020-19888: DBHcms v1.2.0 has an unauthorized operation vulnerability because there's no access control at line 175 of dbh

This week

MEDIUM 5.9REMOTEDOWNGRADE

CVE-2020-19888 is a medium-severity flaw (CVSS 5.9) affecting dbhcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

DBHcms v1.2.0 has an unauthorized operation vulnerability because there's no access control at line 175 of dbhcms\page.php for empty cache operation. This vulnerability can be exploited to empty a table.

Why this priority

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	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 45%)
CISA exploited list	No
Weakness	CWE-287
Published	2020-08-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dbhcms project

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

Am I affected?

Timeline

2020-08-24 15:15 UTCPublished CVE record published
2026-06-17 03:00 UTCUpdated Record last modified

dbhcms project dbhcms DOWNGRADE

Affected: 1.2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.2.0 (Debian / Ubuntu)

apt-cache madison dbhcms sudo apt install dbhcms=<VERSION_BEFORE_1.2.0> sudo apt-mark hold dbhcms

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

dnf --showduplicates list dbhcms sudo dnf downgrade dbhcms-<VERSION_BEFORE_1.2.0> sudo dnf versionlock add dbhcms

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-2020-19888?

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

Is CVE-2020-19888 being exploited?

CVE-2020-19888 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-2020-19888 affect?

CVE-2020-19888 affects dbhcms. Severity is medium (CVSS 5.9). DBHcms v1.2.0 has an unauthorized operation vulnerability because there's no access control at line 175 of dbhcms\page.php for empty cache operation. This vulnerability can be exploited to empty a table.

How urgent is CVE-2020-19888?

Priority 44/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2020-19891 HIGH 7.2 DOWNGRADE DBHcms v1.2.0 has an Arbitrary file write vulnerability in dbhcms\mod\mod.editor.php $_POST['updatefile'] is f
CVE-2020-19890 MEDIUM 4.9 DOWNGRADE DBHcms v1.2.0 has an Arbitrary file read vulnerability in dbhcms\mod\mod.editor.php $_GET['file'] is filename,
CVE-2020-19889 HIGH 8.8 DOWNGRADE DBHcms v1.2.0 has no CSRF protection mechanism,as demonstrated by CSRF for index.php?dbhcms_pid=-70 can add a
CVE-2020-19887 MEDIUM 4.8 DOWNGRADE DBHcms v1.2.0 has a stored XSS vulnerability as there is no htmlspecialchars function for '$_POST['pageparam_i
CVE-2020-19886 HIGH 8.1 DOWNGRADE DBHcms v1.2.0 has no CSRF protection mechanism,as demonstrated by CSRF for an /index.php?dbhcms_pid=-80&delete

References

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