CVE-2021-3836: dbeaver is vulnerable to Improper Restriction of XML External Entity Reference

Q: How do I fix CVE-2021-3836?

dbeaver: upgrade to 21.2.3. Exact commands for each OS are on this page.

Q: Is CVE-2021-3836 being exploited?

CVE-2021-3836 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-2021-3836 affect?

CVE-2021-3836 affects dbeaver. Severity is medium (CVSS 5.5). dbeaver is vulnerable to Improper Restriction of XML External Entity Reference

Q: How urgent is CVE-2021-3836?

Priority 39/100. Public exploit reference

Routine

MEDIUM 5.5UPGRADE

CVE-2021-3836 is a medium-severity flaw (CVSS 5.5) affecting dbeaver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

dbeaver is vulnerable to Improper Restriction of XML External Entity Reference

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-611
Published	2021-12-14
Last modified	2026-06-17

Publisher (CNA): huntr.dev · Vendor: dbeaver

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

Am I affected?

Timeline

2021-12-14 16:15 UTCPublished CVE record published
2026-06-17 04:05 UTCUpdated Record last modified

dbeaver dbeaver UPGRADE

Affected: < 21.2.3

Fixed in: 21.2.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 21.2.3 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dbeaver

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-2021-3836?

dbeaver: upgrade to 21.2.3. Exact commands for each OS are on this page.

Is CVE-2021-3836 being exploited?

CVE-2021-3836 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-2021-3836 affect?

CVE-2021-3836 affects dbeaver. Severity is medium (CVSS 5.5). dbeaver is vulnerable to Improper Restriction of XML External Entity Reference

How urgent is CVE-2021-3836?

Priority 39/100. Public exploit reference

References

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