Is CVE-2018-20233 in the CISA KEV catalog?

No. CVE-2018-20233 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-20233?

CVE-2018-20233 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-20233?

CVE-2018-20233 has an EPSS score of 1.82% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-20233?

Upgrade universal plugin manager to 2.22.14 or later.

CVE & CISA-KEV Catalog

CVE-2018-20233

MEDIUMEPSS 76th pctl

6.5

CVSS v3

NVD

Description

The Upload add-on resource in Atlassian Universal Plugin Manager before version 2.22.14 allows remote attackers who have system administrator privileges to read files, make network requests and perform a denial of service attack via an XML External Entity vulnerability in the parsing of atlassian plugin xml files in an uploaded JAR.

CWE-611XML External Entity (XXE)

How to fix

Remediation Available

universal plugin managerNVD

Affected:< 2.22.14Fixed in:2.22.14CVE-2018-20233derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.82%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Vendor Advisory1

ecosystem.atlassian.net

Third-Party Advisory1

securityfocus.com

Related Vulnerabilities

Other CWE-611 (XML External Entity (XXE)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-34102	Critical	9.8	100%	KEV	Fix
CVE-2019-9670	Critical	9.8	100%	KEV	Fix
CVE-2022-28219	Critical	9.8	97%	-	-
CVE-2024-22024	High	8.3	95%	-	-
CVE-2024-38653	High	7.5	92%	-	-
CVE-2017-12629	Critical	9.8	92%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.