CVE-2019-8446
The /rest/issueNav/1/issueTable resource in Jira before version 8.3.2 allows remote attackers to enumerate usernames via an incorrect authorisation check.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 17.5%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
The /rest/issueNav/1/issueTable resource in Jira before version 8.3.2 allows remote attackers to enumerate usernames via an incorrect authorisation check.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 17.55% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-863
- Affected
- atlassian/jira server
- Source
- security@atlassian.com
EPSS 17.5% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://jira.atlassian.com/browse/JRASERVER-69777Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0839Exploit, Third Party Advisory
- https://jira.atlassian.com/browse/JRASERVER-69777Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0839Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.