How severe is CVE-2017-14591?

CVE-2017-14591 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-14591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14591?

CVE-2017-14591 primarily affects Atlassian Crucible. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-14591?

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

When was CVE-2017-14591 published?

CVE-2017-14591 was published on 2017-11-29 and last updated on 2026-06-17.

CVE-2017-14591

CVE-2017-14591 is a critical-severity vulnerability in Atlassian Crucible with a CVSS 3.x base score of 9.0. 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-88.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
CVSS v2: 9.3
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-88
Affected product: Atlassian Crucible
Published: 2017-11-29
Last modified: 2026-06-17

Description

Atlassian Fisheye and Crucible versions less than 4.4.3 and version 4.5.0 are vulnerable to argument injection through filenames in Mercurial repositories, allowing attackers to execute arbitrary code on a system running the impacted software.

Frequently asked questions

What is CVE-2017-14591?: Atlassian Fisheye and Crucible versions less than 4.4.3 and version 4.5.0 are vulnerable to argument injection through filenames in Mercurial repositories, allowing attackers to execute arbitrary code on a system running the impacted software.
How severe is CVE-2017-14591?: CVE-2017-14591 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-14591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14591?: CVE-2017-14591 primarily affects Atlassian Crucible. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-14591?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-14591 published?: CVE-2017-14591 was published on 2017-11-29 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:atlassian:crucible:*:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:crucible:4.5.0:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:fisheye:*:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:fisheye:4.5.0:*:*:*:*:*:*:*

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