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% (71th 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 71th 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

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

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Vendor Advisory1

jira.atlassian.com

Third-Party Advisory1

securityfocus.com

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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.