How severe is CVE-2017-5983?

CVE-2017-5983 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-5983 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5983?

CVE-2017-5983 primarily affects Atlassian Jira. In total, 66 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-5983?

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-2017-5983 published?

CVE-2017-5983 was published on 2017-04-10 and last updated on 2026-06-17.

CVE-2017-5983

CVE-2017-5983 is a critical-severity vulnerability in Atlassian Jira with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 16% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 16% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Atlassian Jira
Published: 2017-04-10
Last modified: 2026-06-17

Description

The JIRA Workflow Designer Plugin in Atlassian JIRA Server before 6.3.0 improperly uses an XML parser and deserializer, which allows remote attackers to execute arbitrary code, read arbitrary files, or cause a denial of service via a crafted serialized Java object.

Frequently asked questions

What is CVE-2017-5983?: The JIRA Workflow Designer Plugin in Atlassian JIRA Server before 6.3.0 improperly uses an XML parser and deserializer, which allows remote attackers to execute arbitrary code, read arbitrary files, or cause a denial of service via a crafted serialized Java object.
How severe is CVE-2017-5983?: CVE-2017-5983 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-5983 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5983?: CVE-2017-5983 primarily affects Atlassian Jira. In total, 66 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-5983?: 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-2017-5983 published?: CVE-2017-5983 was published on 2017-04-10 and last updated on 2026-06-17.

References

Affected products (66)

cpe:2.3:a:atlassian:jira:4.2.4:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:4.3:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:4.3.1:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:4.3.2:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:4.3.3:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:4.3.4:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:4.4:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:4.4.1:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:4.4.2:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:4.4.3:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:4.4.4:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:4.4.5:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.0:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.0.3:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.0.5:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.0.7:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.1:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.1.1:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.1.2:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.1.3:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.1.4:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.1.5:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.1.6:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.1.7:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.1.8:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.2:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.2.1:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.2.2:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.2.3:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.2.4:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.2.5:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.2.6:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.2.7:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.2.8:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.2.9:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.2.10:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:5.2.11:*:*:*:*:*:*:*

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