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CVE-2018-13382

95
FAUCET Score

CVE-2018-13382 is an Improper Authorization vulnerability in Fortinet FortiOS and FortiProxy SSL VPN web portals. It allows an unauthenticated attacker to modify a user's password through specially crafted HTTP requests. This vulnerability has a high CVSS score of 7.5 due to its network attack vector, low attack complexity, and high impact on integrity, requiring no user interaction. It is actively exploited, listed in CISA's KEV catalog, and has publicly available exploit code, including an ExploitDB entry, along with significant community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.2.9CPE matchmatch criteria
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:fortinet:fortiproxy:2.0.0:*:*:*:*:*:*:*
>= 5.4.1, < 5.4.11CPE matchmatch criteria
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
>= 5.6.0, < 5.6.9CPE matchmatch criteria
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
>= 6.0.0, < 6.0.5CPE matchmatch criteria
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
81.69%
Probability of exploitation in next 30 days
EPSS Percentile
99.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
Added to KEV · Jan 10, 2022
ExploitDB: EDB-49074 · Nov 19, 2020
This CVE's current EPSS score of 0.8169 is in the 100th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 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-18-389
Vendor Advisory
fortiguard.com / psirt/FG-IR-20-231
Vendor Advisory