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CVE-2019-12017

29
FAUCET Score

CVE-2019-12017 describes a critical remote code execution vulnerability in MapR CLDB code, specifically within its JSON framework handling login and ticket issuance, affecting the entire MapR core platform. An unauthenticated attacker can manipulate JSON requests to force the CLDB to load and execute malicious Java code from a remote source, leading to complete cluster compromise. With a CVSS score of 9.8 (Critical), this vulnerability requires no user interaction and has high impacts on confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, its high FAUCET Risk Score of 82/100 indicates significant potential danger.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.2.2CPE matchmatch criteria
cpe:2.3:a:mapr:mapr:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.94%
Probability of exploitation in next 30 days
EPSS Percentile
85.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0294 is in the 77th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

mapr.com / support/s/article/Remote-code-execution-vulnerability-in-MapR-MFS-CLDB
Vendor Advisory