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CVE-2019-12395: In Webbukkit Dynmap 3.0-beta-3 or below, due to a missing login check in servlet/MapStorageHandler.java, an at

47
This week
MEDIUM 5.3REMOTEUPGRADE

CVE-2019-12395 is a medium-severity flaw (CVSS 5.3) affecting dynmap. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Webbukkit Dynmap 3.0-beta-3 or below, due to a missing login check in servlet/MapStorageHandler.java, an attacker can see a map image without login even if victim enables login-required in setting.

Why this priority

  • Public exploit reference
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score5.3 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance1.6% (top 24%)
CISA exploited listNo
WeaknessCWE-287
Published2019-05-28
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: dynmap project

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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

dynmap project dynmap UPGRADE
Affected: < 3.0 · 3.0 alpha1 · 3.0 alpha2 · 3.0 alpha3 · 3.0 rc3
Fixed in: 3.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy dynmap || rpm -q dynmap || dynmap --version
2. UPGRADE to 3.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade dynmap
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade dynmap
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-2019-12395?

dynmap: upgrade to 3.0. Exact commands for each OS are on this page.

Is CVE-2019-12395 being exploited?

CVE-2019-12395 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-2019-12395 affect?

CVE-2019-12395 affects dynmap. Severity is medium (CVSS 5.3). In Webbukkit Dynmap 3.0-beta-3 or below, due to a missing login check in servlet/MapStorageHandler.java, an attacker can see a map image without login even if victim enables login-required in setting.

How urgent is CVE-2019-12395?

Priority 47/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Java vulnerabilities

References

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