How severe is CVE-2020-14190?

CVE-2020-14190 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-14190 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14190?

CVE-2020-14190 primarily affects Atlassian Crucible. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-14190?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-14190 published?

CVE-2020-14190 was published on 2020-11-25 and last updated on 2026-06-17.

CVE-2020-14190

CVE-2020-14190 is a high-severity vulnerability in Atlassian Crucible with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Atlassian Crucible
Published: 2020-11-25
Last modified: 2026-06-17

Description

Affected versions of Atlassian Fisheye/Crucible allow remote attackers to achieve Regex Denial of Service via user-supplied regex in EyeQL. The affected versions are before version 4.8.4.

Frequently asked questions

What is CVE-2020-14190?: Affected versions of Atlassian Fisheye/Crucible allow remote attackers to achieve Regex Denial of Service via user-supplied regex in EyeQL. The affected versions are before version 4.8.4.
How severe is CVE-2020-14190?: CVE-2020-14190 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-14190 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14190?: CVE-2020-14190 primarily affects Atlassian Crucible. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-14190?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-14190 published?: CVE-2020-14190 was published on 2020-11-25 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:atlassian:crucible:*:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:fisheye:*:*:*:*:*:*:*:*

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