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CVE-2018-20059

31
FAUCET Score

CVE-2018-20059 is a critical XML External Entity (XXE) vulnerability found in the jaxb/JaxbEngine.java component of Pippo version 1.11.0. With a CVSS score of 9.8, this vulnerability allows an unauthenticated attacker to achieve high impact on confidentiality, integrity, and availability over a network with low attack complexity. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
1.11.0CPE matchmatch criteria
cpe:2.3:a:pippo:pippo:1.11.0:*:*:*:*:*:*:*

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
1.50%
Probability of exploitation in next 30 days
EPSS Percentile
71.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0150 is in the 59th percentile among its peer group of 36,835 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

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: ro.pippo:pippo-coreFixed in: 1.12.0

Vendor Advisories (1)

mavenGHSA-rmm5-g63h-m6g9critical

Improper Restriction of XML External Entity Reference in pippo-core

Dec 19, 2018

References

github.com / pippo-java/pippo/issues/486
ExploitIssue TrackingThird Party Advisory