CVE-2023-46713Network attack vector

Unauthenticated traffic-log forging via crafted URLs

Published Dec 13, 2023 · Updated Aug 2, 2024

Improper log neutralization in affected Fortinet FortiWeb releases allows remote attackers to forge traffic logs via crafted URLs. Fortinet has not published which URL characters are left unneutralized or how the traffic-log writer processes them. No authentication or user interaction is required; forged entries can corrupt audit trails without affecting confidentiality or availability.

CVSS severity5.3
Medium
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper log neutralization in affected Fortinet FortiWeb releases allows remote attackers to forge traffic logs via crafted URLs. Fortinet has not published which URL characters are left unneutralized or how the traffic-log writer processes them. No authentication or user interaction is required; forged entries can corrupt audit trails without affecting confidentiality or availability.

The record

CVE
CVE-2023-46713
Published
Dec 13, 2023
Updated
Aug 2, 2024
Vendor
Fortinet
Product
FortiWeb
Classifications
CWE-117, T1565.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 13, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.2.0 <=6.2.8
  2. Affected versionversion=6.3.0 <=6.3.23
  3. Affected versionversion=7.0.0 <=7.0.10
  4. Affected versionversion=7.2.0 <=7.2.5
  5. Affected versionversion=7.4.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Fortinet · FortiWebversion=6.2.0 <=6.2.8; version=6.3.0 <=6.3.23; version=7.0.0 <=7.0.10; version=7.2.0 <=7.2.5; version=7.4.0

Published CVSS scores

5.3Fortinet, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-117Improper Output Neutralization for Logs
T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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