CVE-2017-9505

Name: CVE-2017-9505
Creator: NVD / NIST
Published: 2017-06-15T16:29:00.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 1.26%

Last modified Jun 17, 2026

CVE-2017-9505 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Atlassian Confluence starting with 4.3.0 before 6.2.1 did not check if a user had permission to view a page when creating a workbox notification about new comments. An attacker who can login to Confluence could receive workbox notifications, which contain the content of comments, for comments added to a page after they started watching it even if they do not have permission to view the page itself.. EPSS estimates a 1.26% chance of exploitation in the next 30 days.

Description

Atlassian Confluence starting with 4.3.0 before 6.2.1 did not check if a user had permission to view a page when creating a workbox notification about new comments. An attacker who can login to Confluence could receive workbox notifications, which contain the content of comments, for comments added to a page after they started watching it even if they do not have permission to view the page itself.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

1.26%

65.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Atlassian	Confluence	>= 4.3, < 6.2.1

References

http://www.securityfocus.com/bid/99086Third Party Advisory, VDB Entry
https://jira.atlassian.com/browse/CONFSERVER-52560Mitigation, Vendor Advisory
https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20170613-0_Atlassian_Confluence_Access_Restriction_Bypass_v10.txtExploit, Mitigation, Third Party Advisory
http://www.securityfocus.com/bid/99086Third Party Advisory, VDB Entry
https://jira.atlassian.com/browse/CONFSERVER-52560Mitigation, Vendor Advisory
https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20170613-0_Atlassian_Confluence_Access_Restriction_Bypass_v10.txtExploit, Mitigation, Third Party Advisory

Timeline

Published: Jun 15, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-9505?

How severe is CVE-2017-9505?

CVE-2017-9505 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.26% probability of exploitation in the next 30 days.

How do I fix CVE-2017-9505?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-9505?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST