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CVE-2018-17341

27
FAUCET Score

CVE-2018-17341 describes an authentication bypass vulnerability in BigTree CMS version 4.2.23 on Windows systems. When Advanced or Simple Rewrite routing is enabled, attackers can use a directory traversal sequence (../) in the bigtree_htaccess_url parameter to bypass authentication and gain unauthorized access. This vulnerability carries a high CVSS score of 8.1, indicating a severe impact with potential for full compromise (confidentiality, integrity, and availability) through a network-based attack with high complexity. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.2.23CPE matchmatch criteria
cpe:2.3:a:bigtreecms:bigtree_cms:4.2.23:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.94%
Probability of exploitation in next 30 days
EPSS Percentile
78.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-23
Model: v2026.06.15
This CVE's current EPSS score of 0.0194 is in the 35th percentile among its peer group of 8,913 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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

github.com / bigtreecms/BigTree-CMS/issues/345
ExploitThird Party Advisory