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CVE-2017-18109

22
FAUCET Score

CVE-2017-18109 describes an open redirect vulnerability in the login resource of Atlassian Crowd versions prior to 3.0.2 and version 3.1.0 before 3.1.1. This medium-severity vulnerability (CVSS 6.1) allows remote attackers to redirect users to arbitrary websites, facilitating phishing attacks. While the attack complexity is low and requires user interaction, it can lead to information disclosure and integrity issues. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.0.2CPE matchmatch criteria
cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*
3.1.0CPE matchmatch criteria
cpe:2.3:a:atlassian:crowd:3.1.0:*:*:*:*:*:*:*
< 3.1.1CPE match
cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.13%
Probability of exploitation in next 30 days
EPSS Percentile
63.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0113 is in the 76th percentile among its peer group of 26,234 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 0.1 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/CWD-5071
Issue TrackingVendor Advisory