How severe is CVE-2017-18095?

CVE-2017-18095 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2017-18095 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18095?

CVE-2017-18095 affects Atlassian Crucible. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-18095?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-18095 published?

CVE-2017-18095 was published on 2018-02-19 and last updated on 2026-06-17.

CVE-2017-18095

CVE-2017-18095 is a medium-severity vulnerability in Atlassian Crucible with a CVSS 3.x base score of 5.3. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Atlassian Crucible
Published: 2018-02-19
Last modified: 2026-06-17

Description

The SnippetRPCServiceImpl class in Atlassian Crucible before version 4.5.1 (the fixed version 4.5.x) and before 4.6.0 allows remote attackers to comment on snippets they do not have authorization to access via an improper authorization vulnerability.

Frequently asked questions

What is CVE-2017-18095?: The SnippetRPCServiceImpl class in Atlassian Crucible before version 4.5.1 (the fixed version 4.5.x) and before 4.6.0 allows remote attackers to comment on snippets they do not have authorization to access via an improper authorization vulnerability.
How severe is CVE-2017-18095?: CVE-2017-18095 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2017-18095 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18095?: CVE-2017-18095 affects Atlassian Crucible. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-18095?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-18095 published?: CVE-2017-18095 was published on 2018-02-19 and last updated on 2026-06-17.

References

Affected products (1)

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

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