Is CVE-2019-20403 in the CISA KEV catalog?

No. CVE-2019-20403 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-20403?

CVE-2019-20403 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2019-20403?

CVE-2019-20403 has an EPSS score of 1.47% (71th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-20403?

Upgrade jira data center to 8.5.5 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2019-20403

MEDIUMEPSS 71th pctl

5.3

CVSS v3

NVD

Description

The API in Atlassian Jira Server and Data Center before version 8.6.0 allows remote attackers to determine if a Jira project key exists or not via an information disclosure vulnerability.

How to fix

Remediation Available

jira data centerNVD

Affected:>= 7.13.0, < 8.5.5Fixed in:8.5.5CVE-2019-20403derived from NVD

jira serverNVD

Affected:>= 7.13.0, < 8.5.5Fixed in:8.5.5CVE-2019-20403derived 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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.47%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

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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.