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CVE-2018-17191

34
FAUCET Score

CVE-2018-17191 describes a critical remote code execution (RCE) vulnerability in Apache NetBeans (incubating) 9.0, specifically within its Proxy Auto-Configuration (PAC) interpretation. This flaw allows attackers to execute arbitrary commands by leveraging the Nashorn script engine to access privileged objects, or by exploiting the lack of execution limits when other script engines are used. With a CVSS score of 9.8, this vulnerability is highly severe, requiring no user interaction and allowing for complete compromise of confidentiality, integrity, and availability. Despite its critical nature, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
9.0CPE matchmatch criteria
cpe:2.3:a:apache:netbeans:9.0:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
7.75%
Probability of exploitation in next 30 days
EPSS Percentile
94.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0775 is in the 89th percentile among its peer group of 36,833 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

lists.apache.org / thread.html/d1c37966a316a326ab4ff4d4bc056322e8adcbe984e8145c0ecda7fa%40%3Cdev.netbeans.apache.org%3E
securityfocus.com / bid/106352
Third Party AdvisoryVDB Entry