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CVE-2018-13374

82
FAUCET Score

CVE-2018-13374 is an Improper Access Control vulnerability affecting Fortinet FortiOS (versions 6.0.2, 5.6.7 and earlier) and FortiADC (versions 6.1.0, 6.0.0-6.0.1, 5.4.0-5.4.4). An attacker can exploit this flaw by redirecting an LDAP server connectivity test to a rogue server, thereby disclosing the configured LDAP server login credentials. This medium-severity vulnerability (CVSS 4.3) has a low attack complexity and requires low privileges, potentially leading to sensitive information disclosure. It is actively exploited, listed in CISA's KEV catalog, and exploit code is publicly available on ExploitDB, indicating significant community and media attention.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.4.0, < 5.4.5CPE matchmatch criteria
cpe:2.3:a:fortinet:fortiadc:*:*:*:*:*:*:*:*
>= 6.0.0, < 6.0.2CPE matchmatch criteria
cpe:2.3:a:fortinet:fortiadc:*:*:*:*:*:*:*:*
6.1.0CPE matchmatch criteria
cpe:2.3:a:fortinet:fortiadc:6.1.0:*:*:*:*:*:*:*
< 6.0.3CPE matchmatch criteria
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

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
38.09%
Probability of exploitation in next 30 days
EPSS Percentile
98.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Added to KEV · Sep 8, 2022
ExploitDB: EDB-46171 · Jan 16, 2019
This CVE's current EPSS score of 0.3809 is in the 100th percentile among its peer group of 21,939 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

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

Remediation

Vendor Patches (1)

fortinetvendor investigatingvia nvd_reference
View patch

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
fortiguard.com / advisory/FG-IR-18-157
Vendor Advisory