Is CVE-2018-20238 in the CISA KEV catalog?

No. CVE-2018-20238 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-20238?

CVE-2018-20238 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2018-20238?

CVE-2018-20238 has an EPSS score of 1.51% (72th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-20238?

Upgrade crowd to 3.3.4 or later.

CVE & CISA-KEV Catalog

CVE-2018-20238

HIGHEPSS 72th pctl

8.1

CVSS v3

NVD

Description

Various rest resources in Atlassian Crowd before version 3.2.7 and from version 3.3.0 before version 3.3.4 allow remote attackers to authenticate using an expired user session via an insufficient session expiration vulnerability.

CWE-384

How to fix

Remediation Available

crowdNVD

Affected:>= 3.3.0, < 3.3.4Fixed in:3.3.4CVE-2018-20238derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.51%probability of exploitation in 30 days

72ndpercentile

Elevated risk: more likely to be exploited than 72% of all known CVEs.

References

Vendor Advisory1

jira.atlassian.com

Third-Party Advisory1

securityfocus.com

Related Vulnerabilities

Other CWE-384 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-11714	Critical	9.8	37%	-	-
CVE-2018-18925	Critical	9.8	32%	-	-
CVE-2019-12258	High	7.5	23%	-	Fix
CVE-2018-17199	High	7.5	20%	-	Fix
CVE-2019-10008	High	8.8	20%	-	-
CVE-2024-50339	Medium	5.3	20%	-	Fix

Embed a live status badge for CVE-2018-20238

Markdown

[![CVE-2018-20238](https://tridentstack.com/cve/badge/CVE-2018-20238.svg)](https://tridentstack.com/cve/CVE-2018-20238)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-20238"><img src="https://tridentstack.com/cve/badge/CVE-2018-20238.svg" alt="CVE-2018-20238"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

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.