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CVE-2020-11980

22
FAUCET Score

CVE-2020-11980 is a medium-severity vulnerability affecting Apache Karaf versions prior to 4.2.9. It allows an authenticated attacker with "viewer" role privileges to perform Server-Side Request Forgery (SSRF) and pollute the MBean registry, leading to a form of privilege escalation. The vulnerability has a CVSS score of 6.3 (Medium) due to its network attack vector, low attack complexity, and low impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.2.9CPE matchmatch criteria
cpe:2.3:a:apache:karaf:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.88%
Probability of exploitation in next 30 days
EPSS Percentile
77.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0188 is in the 90th percentile among its peer group of 21,951 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (3)

mavenpatch availablevia ghsa
Product: org.apache.karaf.management:org.apache.karaf.management.serverFixed in: 4.2.9
redhatpatch availablevia redhat_api
Product: Red Hat Fuse 7.8.0Fixed in: Karaf
View patch
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 13 (Queens)Fixed in: opendaylight

Vendor Advisories (2)

mavenGHSA-9jg9-6wm2-x7p5medium

Server-Side Request Forgery in Karaf

Feb 10, 2022
redhatCVE-2020-11980Moderate

karaf: A remote client could create MBeans from arbitrary URLs

Jun 12, 2020

References

karaf.apache.org / security/cve-2020-11980.txt
Vendor Advisory