Vendor
Fortinet
32 of 55 Fortinet CVEs in Patchfirst (58%) are in CISA KEVThe US Cybersecurity and Infrastructure Security Agency’s list of Known Exploited Vulnerabilities. A CVE is added when CISA has evidence that attackers are using it. of vulnerabilities exploited in the wild, 14 of them used by ransomware.
- CVEs
- 55
- In CISA KEV
- 3258%
- Known ransomware use
- 14
- Median days to KEV
- 35
- from publication
- Latest KEV listing
- 16 Oct 2026
Products
In KEVOther CVEs
- FortiOS In KEV: 9 CVEs: 13
- Multiple Products In KEV: 7 CVEs: 7
- FortiOS and FortiProxy In KEV: 4 CVEs: 4
- FortiWeb In KEV: 3 CVEs: 5
- FortiClient EMS In KEV: 3 CVEs: 3
- FortiSandbox In KEV: 2 CVEs: 4
- FortiMail In KEV: 1 CVEs: 2
- FortiManager In KEV: 1 CVEs: 1
- FortiOS and FortiADC In KEV: 1 CVEs: 1
- FortiOS and FortiProxy SSL-VPN In KEV: 1 CVEs: 1
Top ATT&CK techniques
What attackers do with Fortinet CVEs- T1190Exploit Public-Facing Application CVEs: 23
- T1059Command and Scripting Interpreter CVEs: 12
- T1574Hijack Execution Flow CVEs: 4
- T1078Valid Accounts CVEs: 3
- T1068Exploitation for Privilege Escalation CVEs: 2
Counts are Fortinet CVEs linked to the technique. Each link’s provenance is on the CVE page.
Fortinet CVEs
55 CVEs, by priority- CVE-2018-13379Fortinet FortiOS SSL VPN Path Traversal VulnerabilityFortinet · FortiOSKEVRansomwarePublic exploitCritical · 9.8T1190Exploit Public-Facing Application5 reports>99.9%Top 0.01%89.9priority
- CVE-2022-42475Fortinet FortiOS Heap-Based Buffer Overflow VulnerabilityFortinet · FortiOSKEVRansomwarePublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1574Hijack Execution Flow+2 more · 4 reports99.5%Top 0.06%88.8priority
- CVE-2026-35616Fortinet FortiClient EMS Improper Access Control VulnerabilityFortinet · FortiClient EMSKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter94.0%Top 0.15%84.8priority
- CVE-2026-21643Fortinet FortiClient EMS SQL Injection VulnerabilityFortinet · FortiClient EMSKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter97.7%Top 0.1%84.8priority
- CVE-2025-59718Fortinet Multiple Products Improper Verification of Cryptographic Signature VulnerabilityFortinet · Multiple ProductsKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1078Valid Accounts68.3%Top 0.67%84.7priority
- CVE-2024-55591Fortinet FortiOS and FortiProxy Authentication Bypass VulnerabilityFortinet · FortiOS and FortiProxyKEVRansomwarePublic exploitCritical · 9.8T1078Valid AccountsT1068Exploitation for Privilege Escalation+2 more · 1 report94.3%Top 0.15%83.7priority
- CVE-2023-48788Fortinet FortiClient EMS SQL Injection VulnerabilityFortinet · FortiClient EMSKEVRansomwarePublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter+1 more · 1 report98.4%Top 0.08%83.7priority
- CVE-2023-27997Fortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow VulnerabilityFortinet · FortiOS and FortiProxy SSL-VPNKEVRansomwarePublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1574Hijack Execution Flow+1 more · 1 report85.7%Top 0.28%83.7priority
- CVE-2022-40684Fortinet Multiple Products Authentication Bypass VulnerabilityFortinet · Multiple ProductsKEVRansomwarePublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1098.004SSH Authorized Keys>99.9%Top 0.02%79.9priority
- CVE-2025-64446Fortinet FortiWeb Path Traversal VulnerabilityFortinet · FortiWebKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter91.1%Top 0.19%79.8priority
- CVE-2024-21762Fortinet FortiOS Out-of-Bound Write VulnerabilityFortinet · FortiOSKEVRansomwarePublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1574Hijack Execution Flow84.6%Top 0.3%79.8priority
- CVE-2025-32756Fortinet Multiple Products Stack-Based Buffer Overflow VulnerabilityFortinet · Multiple ProductsKEVPublic exploitCritical · 9.8T1608.001Upload MalwareT1133External Remote Services+5 more30.9%Top 1.7%79.5priority
- CVE-2026-39808Fortinet FortiSandbox OS Command Injection VulnerabilityFortinet · FortiSandboxKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter1 report93.2%Top 0.17%78.7priority
- CVE-2024-23108An improper neutralization of special elements used in an os command ('os command injection') vulnerability in…Fortinet · FortiSIEMPublic exploitCritical · 9.780.3%Top 0.38%78.6priority
- CVE-2020-12812Fortinet FortiOS SSL VPN Improper Authentication Vulnerability45.4%Top 1.2%78.5priority
- CVE-2026-104286Fortinet FortiMail Path Traversal VulnerabilityFortinet · FortiMailKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1565.001Stored Data Manipulation4.6%Top 8.4%78.2priority
- CVE-2018-13382Fortinet FortiOS and FortiProxy Improper AuthorizationFortinet · FortiOS and FortiProxyKEVRansomwarePublic exploitHigh · 7.5T1190Exploit Public-Facing ApplicationT1098Account Manipulation81.7%Top 0.36%78.2priority
- CVE-2025-25249Fortinet Multiple Products Heap-based Buffer Overflow VulnerabilityFortinet · Multiple ProductsKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter3.7%Top 10%77.8priority
- CVE-2025-24472Fortinet FortiOS and FortiProxy Authentication Bypass VulnerabilityFortinet · FortiOS and FortiProxyKEVRansomwarePublic exploitHigh · 8.1T1190Exploit Public-Facing ApplicationT1098.004SSH Authorized Keys7.2%Top 5.7%77.5priority
- CVE-2019-5591Fortinet FortiOS Default Configuration VulnerabilityFortinet · FortiOSKEVRansomwarePublic exploitMedium · 6.5T1133External Remote ServicesT1557Adversary-in-the-Middle+1 more18.6%Top 2.7%77.0priority
- CVE-2019-6693Fortinet FortiOS Use of Hard-Coded Credentials VulnerabilityFortinet · FortiOSKEVRansomwarePublic exploitMedium · 6.5T1552Unsecured CredentialsT1555Credentials from Password Stores6.6%Top 6.1%76.3priority
- CVE-2018-13374Fortinet FortiOS and FortiADC Improper Access Control VulnerabilityFortinet · FortiOS and FortiADCKEVRansomwarePublic exploitMedium · 4.338.1%Top 1.4%75.7priority
- CVE-2026-25089Fortinet FortiSandbox OS Command Injection VulnerabilityFortinet · FortiSandboxKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter76.1%Top 0.47%74.8priority
- CVE-2026-24858Fortinet Multiple Products Authentication Bypass Using an Alternate Path or Channel VulnerabilityFortinet · Multiple ProductsKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1078Valid Accounts86.6%Top 0.26%74.8priority
- CVE-2024-23113Fortinet Multiple Products Format String VulnerabilityFortinet · Multiple ProductsKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter1 report61.7%Top 0.83%73.6priority
- CVE-2026-39813A path traversal: '../filedir' vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through…Fortinet · FortiSandboxPublic exploitCritical · 9.122.2%Top 2.3%73.3priority
- CVE-2022-39952A external control of file name or path in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7…Fortinet · FortiNACPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter1 report99.8%Top 0.04%73.3priority
- CVE-2025-64155An improper neutralization of special elements used in an os command ('os command injection') vulnerability in…Fortinet · FortiSIEMPublic exploitCritical · 9.443.6%Top 1.3%72.9priority
- CVE-2025-58034Fortinet FortiWeb OS Command Injection VulnerabilityFortinet · FortiWebKEVPublic exploitHigh · 7.2T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter54.7%Top 0.98%72.8priority
- CVE-2018-13383Fortinet FortiOS and FortiProxy Out-of-bounds WriteFortinet · FortiOS and FortiProxyKEVRansomwareMedium · 6.5T1499.004Application or System Exploitation32.5%Top 1.7%72.2priority
- CVE-2026-106173A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiSIEM…Fortinet · FortiSIEMPublic exploitCritical · 9.81.0%Top 37%71.6priority
- CVE-2024-23109An improper neutralization of special elements used in an os command ('os command injection') vulnerability in…Fortinet · FortiSIEMCritical · 9.73.3%Top 12%71.4priority
- CVE-2025-25257Fortinet FortiWeb SQL Injection VulnerabilityFortinet · FortiWebKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059.004Unix Shell+3 more99.9%Top 0.03%69.9priority
- CVE-2024-47575Fortinet FortiManager Missing Authentication VulnerabilityFortinet · FortiManagerKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter94.8%Top 0.14%69.8priority
- CVE-2025-25256An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78]…Fortinet · FortiSIEMPublic exploitCritical · 9.865.3%Top 0.75%69.1priority
- CVE-2025-59719An improper verification of cryptographic signature vulnerability in Fortinet FortiWeb 8.0.0, FortiWeb 7.6.0 through…Fortinet · FortiWebCritical · 9.129.2%Top 1.8%69.0priority
- CVE-2023-34993A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiWLM…Fortinet · FortiWLMPublic exploitCritical · 9.621.3%Top 2.4%66.9priority
- CVE-2025-61624Fortinet Multiple Products Path Traversal VulnerabilityFortinet · Multiple ProductsKEVMedium · 6.51.3%Top 29%66.8priority
- CVE-2025-68686Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability29.5%Top 1.8%66.8priority
- CVE-2022-41328Fortinet FortiOS Path Traversal VulnerabilityFortinet · FortiOSKEVHigh · 7.1T1574Hijack Execution FlowT1037Boot or Logon Initialization Scripts+2 more · 1 report10.7%Top 4.2%66.0priority
- CVE-2025-52970A improper handling of parameters in Fortinet FortiWeb versions 7.6.3 and below, versions 7.4.7 and below, versions…Fortinet · FortiWebPublic exploitHigh · 7.710.1%Top 4.4%65.6priority
- CVE-2021-44168Fortinet FortiOS Arbitrary File Download0.9%Top 40%60.4priority
- CVE-2024-21754A use of password hash with insufficient computational effort vulnerability [CWE-916] affecting FortiOS version 7.4.3…Fortinet · FortiProxyPublic exploitLow · 1.73.5%Top 11%60.1priority
- CVE-2021-22122An improper neutralization of input during web page generation in FortiWeb GUI interface 6.3.0 through 6.3.7 and…Fortinet · Fortinet FortiWebPublic exploit10.5%Top 4.2%59.2priority
- CVE-2025-25252An Insufficient Session Expiration vulnerability [CWE-613] in FortiOS SSL VPN 7.6.0 through 7.6.2, 7.4.0 through…Fortinet · FortiOSMedium · 4.30.3%Top 73%53.4priority
- CVE-2022-41335A relative path traversal vulnerability [CWE-23] in Fortinet FortiOS version 7.2.0 through 7.2.2, 7.0.0 through 7.0.8…Fortinet · FortiSwitchManagerHigh · 8.60.9%Top 40%53.1priority
- CVE-2025-62631An insufficient session expiration vulnerability [CWE-613] vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2 all…Fortinet · FortiOSMedium · 5.30.3%Top 77%48.3priority
- CVE-2026-25815Fortinet FortiOS through 7.6.6 allows attackers to decrypt LDAP credentials stored in device configuration files, as…Fortinet · FortiOSLow · 3.20.1%Top 99%42.5priority
- CVE-2025-24477A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.2, FortiOS 7.4.0 through 7.4.7…Fortinet · FortiOSMedium · 4.00.2%Top 85%41.5priority
- CVE-2024-50570A Cleartext Storage of Sensitive Information vulnerability [CWE-312] in FortiClientWindows 7.4.0 through 7.4.1, 7.2.0…Fortinet · FortiClientMacMedium · 4.90.1%Top 97%39.1priority
- CVE-2023-34992A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet…Fortinet · FortiSIEMPublic exploitCritical · 9.781.7%Top 0.36%32.4priority
- CVE-2021-22123An OS command injection vulnerability in FortiWeb's management interface 6.3.7 and below, 6.2.3 and below, 6.1.x…Fortinet · Fortinet FortiWebPublic exploitHigh · 7.684.4%Top 0.3%30.9priority
- CVE-2018-13380A Cross-site Scripting (XSS) vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.7, 5.4.0 to 5.4.12, 5.2…Fortinet · Fortinet FortiOS and FortiProxyPublic exploitMedium · 4.762.5%Top 0.81%29.2priority
- CVE-2020-9294An improper authentication vulnerability in FortiMail 5.4.10, 6.0.7, 6.2.2 and earlier and FortiVoiceEntreprise 6.0.0…Fortinet · FortiMailPublic exploit81.5%Top 0.36%24.9priority
- CVE-2026-107656An authentication bypass using an alternate path or channel vulnerability in Fortinet FortiSandbox 5.0.0 through…Fortinet · FortiSandboxCritical · 9.80.9%Top 42%19.9priority