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CVE-2018-11786

28
FAUCET Score

CVE-2018-11786 describes a high-severity privilege escalation vulnerability in Apache Karaf versions prior to 4.2.0. If the Karaf sshd service is enabled, authenticated console users can read and write any file accessible by the Karaf process user, potentially leading to full compromise of the system. This vulnerability has a CVSS score of 8.8 (High) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.2.0CPE matchmatch criteria
cpe:2.3:a:apache:karaf:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.90%
Probability of exploitation in next 30 days
EPSS Percentile
77.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0190 is in the 76th percentile among its peer group of 17,822 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

mavenpatch availablevia ghsa
Product: org.apache.karaf:apache-karafFixed in: 4.2.0
redhatend of lifevia redhat_api
Product: Red Hat JBoss Fuse Service Works 6Fixed in: karaf
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 10 (Newton)Fixed in: opendaylight
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 12 (Pike)Fixed in: opendaylight
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 13 (Queens)Fixed in: opendaylight
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 8 (Liberty)Fixed in: opendaylight
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 9 (Mitaka)Fixed in: opendaylight

Vendor Advisories (2)

mavenGHSA-9448-c9wq-jg9vhigh

Improper Privilege Management in Apache Karaf

Dec 21, 2018
redhatCVE-2018-11786Moderate

karaf: SSH RBAC security enforcement

Sep 18, 2018

References

karaf.apache.org / security/cve-2018-11786.txt
PatchVendor Advisory
issues.apache.org / jira/browse/KARAF-5427
Issue TrackingPatchVendor Advisory
lists.apache.org / thread.html/5b7ac762c6bbe77ac5d9389f093fc6dbf196c36d788e3d7629e6c1d9%40%3Cdev.karaf.apache.org%3E