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CVE-2017-9505

18
FAUCET Score

CVE-2017-9505 describes an access control vulnerability in Atlassian Confluence versions 4.3.0 through 6.2.0. An authenticated attacker could receive workbox notifications containing comment content for pages they do not have permission to view, provided they started watching the page before the comments were added. This vulnerability has a CVSS v3.1 score of 4.3 (Medium), indicating a low complexity attack requiring user authentication (PR:L) with a low impact on confidentiality (C:L). The attack vector is network-based (AV:N), and it does not affect integrity or availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.3, < 6.2.1CPE matchmatch criteria
cpe:2.3:a:atlassian:confluence:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.26%
Probability of exploitation in next 30 days
EPSS Percentile
66.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0126 is in the 80th percentile among its peer group of 21,957 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

jira.atlassian.com / browse/CONFSERVER-52560
MitigationVendor Advisory
sec-consult.com / fxdata/seccons/prod/temedia/advisories_txt/20170613-0_Atlassian_Confluence_Access_Restriction_Bypass_v10.txt
ExploitMitigationThird Party Advisory
securityfocus.com / bid/99086
Third Party AdvisoryVDB Entry