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CVE-2017-5983

52
FAUCET Score

CVE-2017-5983 is a critical vulnerability affecting the JIRA Workflow Designer Plugin in Atlassian JIRA Server versions prior to 6.3.0. This flaw stems from improper XML parser and deserializer usage, allowing unauthenticated remote attackers to execute arbitrary code, read files, or cause a denial of service. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector and low complexity, leading to complete compromise of confidentiality, integrity, and availability. While not listed in CISA KEV, community discussion is high, and Nuclei templates exist for exploitation, indicating potential for active exploitation despite no Metasploit or ExploitDB entries.

Impacted Technologies

VendorProductVersion(s)CPE
4.2.4CPE matchmatch criteria
cpe:2.3:a:atlassian:jira:4.2.4:*:*:*:*:*:*:*
4.3CPE matchmatch criteria
cpe:2.3:a:atlassian:jira:4.3:*:*:*:*:*:*:*
4.3.1CPE matchmatch criteria
cpe:2.3:a:atlassian:jira:4.3.1:*:*:*:*:*:*:*
4.3.2CPE matchmatch criteria
cpe:2.3:a:atlassian:jira:4.3.2:*:*:*:*:*:*:*
4.3.3CPE matchmatch criteria
cpe:2.3:a:atlassian:jira:4.3.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
16.24%
Probability of exploitation in next 30 days
EPSS Percentile
96.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2017-5983 · Nov 19, 2025
This CVE's current EPSS score of 0.1624 is in the 93rd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

codewhitesec.blogspot.com / 2017/04/amf.html
Technical Description
confluence.atlassian.com / jira063/jira-security-advisory-2017-03-09-875604401.html
Vendor Advisory
jira.atlassian.com / browse/JRASERVER-64077
Vendor Advisory
kb.cert.org / vuls/id/307983
Third Party AdvisoryUS Government ResourceVDB Entry
securityfocus.com / bid/97379
Third Party AdvisoryVDB Entry