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Fortios

fortios

Vendor: Fortinet • 275 CVEs

CVEs (275)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Fortinet
1Fortios
Jun 17, 2026
Jun 2, 2021
N/A· v4
7.3 HIGH· v3
7.5 HIGH· v2
An improper following of a certificate's chain of trust vulnerability in FortiGate versions 6.4.0 to 6.4.4 may allow an LDAP user to connect to SSLVPN with any certificate that is signed by a trusted Certificate Authorit...Show more
An improper following of a certificate's chain of trust vulnerability in FortiGate versions 6.4.0 to 6.4.4 may allow an LDAP user to connect to SSLVPN with any certificate that is signed by a trusted Certificate Authority.Show less
1Fortinet
2Fortios
Fortiproxy
Jun 17, 2026
Apr 12, 2021
N/A· v4
6.5 MEDIUM· v3
4.0 MEDIUM· v2
A Stack-based Buffer Overflow vulnerability in the HTTPD daemon of FortiOS 6.0.10 and below, 6.2.2 and below and FortiProxy 1.0.x, 1.1.x, 1.2.9 and below, 2.0.0 and below may allow an authenticated remote attacker to cra...Show more
A Stack-based Buffer Overflow vulnerability in the HTTPD daemon of FortiOS 6.0.10 and below, 6.2.2 and below and FortiProxy 1.0.x, 1.1.x, 1.2.9 and below, 2.0.0 and below may allow an authenticated remote attacker to crash the service by sending a malformed PUT request to the server. Fortinet is not aware of any successful exploitation of this vulnerability that would lead to code execution.Show less
1Fortinet
1Fortios
Jun 17, 2026
Mar 4, 2021
N/A· v4
7.5 HIGH· v3
4.3 MEDIUM· v2
When traffic other than HTTP/S (eg: SSH traffic, etc...) traverses the FortiGate in version below 6.2.5 and below 6.4.2 on port 80/443, it is not redirected to the transparent proxy policy for processing, as it doesn't h...Show more
When traffic other than HTTP/S (eg: SSH traffic, etc...) traverses the FortiGate in version below 6.2.5 and below 6.4.2 on port 80/443, it is not redirected to the transparent proxy policy for processing, as it doesn't have a valid HTTP header.Show less
1Fortinet
1Fortios
Jun 17, 2026
Mar 3, 2021
N/A· v4
6.1 MEDIUM· v3
4.3 MEDIUM· v2
An improper neutralization of input vulnerability in FortiGate version 6.2.x below 6.2.5 and 6.4.x below 6.4.1 may allow a remote attacker to perform a stored cross site scripting attack (XSS) via the IPS and WAF logs da...Show more
An improper neutralization of input vulnerability in FortiGate version 6.2.x below 6.2.5 and 6.4.x below 6.4.1 may allow a remote attacker to perform a stored cross site scripting attack (XSS) via the IPS and WAF logs dashboard.Show less
1Fortinet
2Fortios
Fortiproxy
Jun 17, 2026
Oct 21, 2020
N/A· v4
6.5 MEDIUM· v3
4.0 MEDIUM· v2
A cleartext storage of sensitive information vulnerability in FortiOS command line interface in versions 6.2.4 and earlier and FortiProxy 2.0.0, 1.2.9 and earlier may allow an authenticated attacker to obtain sensitive i...Show more
A cleartext storage of sensitive information vulnerability in FortiOS command line interface in versions 6.2.4 and earlier and FortiProxy 2.0.0, 1.2.9 and earlier may allow an authenticated attacker to obtain sensitive information such as users passwords by connecting to FortiGate CLI and executing the "diag sys ha checksum show" command.Show less
1Fortinet
1Fortios
Jun 17, 2026
Sep 24, 2020
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
An insufficient logging vulnerability in FortiGate before 6.4.1 may allow the traffic from an unauthenticated attacker to Fortinet owned IP addresses to go unnoticed.
1Fortinet
1Fortios
Jun 17, 2026
Aug 14, 2020
N/A· v4
6.5 MEDIUM· v3
3.3 LOW· v2
A Default Configuration vulnerability in FortiOS may allow an unauthenticated attacker on the same subnet to intercept sensitive information by impersonating the LDAP server.
1Fortinet
1Fortios
Jun 17, 2026
Jul 24, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted for the second factor of authentication...Show more
An improper authentication vulnerability in SSL VPN in FortiOS 6.4.0, 6.2.0 to 6.2.3, 6.0.9 and below may result in a user being able to log in successfully without being prompted for the second factor of authentication (FortiToken) if they changed the case of their username.Show less
1Fortinet
1Fortios
Jun 17, 2026
Jun 16, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
A cleartext storage in a file or on disk (CWE-313) vulnerability in FortiOS SSL VPN 6.2.0 through 6.2.2, 6.0.9 and earlier and FortiProxy 2.0.0, 1.2.9 and earlier may allow an attacker to retrieve a logged-in SSL VPN use...Show more
A cleartext storage in a file or on disk (CWE-313) vulnerability in FortiOS SSL VPN 6.2.0 through 6.2.2, 6.0.9 and earlier and FortiProxy 2.0.0, 1.2.9 and earlier may allow an attacker to retrieve a logged-in SSL VPN user's credentials should that attacker be able to read the session file stored on the targeted device's system.Show less
1Fortinet
1Fortios
Nov 21, 2024
Apr 2, 2020
N/A· v4
8.8 HIGH· v3
6.5 MEDIUM· v2
An external control of system vulnerability in FortiOS may allow an authenticated, regular user to change the routing settings of the device via connecting to the ZebOS component.
1Fortinet
1Fortios
Jun 17, 2026
Mar 15, 2020
N/A· v4
6.1 MEDIUM· v3
5.8 MEDIUM· v2
An improper input validation vulnerability in FortiOS 6.2.1, 6.2.0, 6.0.8 and below until 5.4.0 under admin webUI may allow an attacker to perform an URL redirect attack via a specifically crafted request to the admin in...Show more
An improper input validation vulnerability in FortiOS 6.2.1, 6.2.0, 6.0.8 and below until 5.4.0 under admin webUI may allow an attacker to perform an URL redirect attack via a specifically crafted request to the admin initial password change webpage.Show less
1Fortinet
1Fortios
Jun 17, 2026
Jan 23, 2020
N/A· v4
5.5 MEDIUM· v3
2.1 LOW· v2
Improper permission or value checking in the CLI console may allow a non-privileged user to obtain Fortinet FortiOS plaint text private keys of system's builtin local certificates via unsetting the keys encryption passwo...Show more
Improper permission or value checking in the CLI console may allow a non-privileged user to obtain Fortinet FortiOS plaint text private keys of system's builtin local certificates via unsetting the keys encryption password in FortiOS 6.2.0, 6.0.0 to 6.0.6, 5.6.10 and below or for user uploaded local certificates via setting an empty password in FortiOS 6.2.1, 6.2.0, 6.0.6 and below.Show less
1Fortinet
1Fortios
Jun 17, 2026
Nov 27, 2019
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
An Improper Input Validation vulnerability in the SSL VPN portal of FortiOS versions 6.2.1 and below, and 6.0.6 and below may allow an unauthenticated remote attacker to crash the SSL VPN service by sending a crafted POS...Show more
An Improper Input Validation vulnerability in the SSL VPN portal of FortiOS versions 6.2.1 and below, and 6.0.6 and below may allow an unauthenticated remote attacker to crash the SSL VPN service by sending a crafted POST request.Show less
1Fortinet
1Fortios
Jun 17, 2026
Nov 21, 2019
N/A· v4
6.5 MEDIUM· v3
4.0 MEDIUM· v2
Use of a hard-coded cryptographic key to cipher sensitive data in FortiOS configuration backup file may allow an attacker with access to the backup file to decipher the sensitive data, via knowledge of the hard-coded key...Show more
Use of a hard-coded cryptographic key to cipher sensitive data in FortiOS configuration backup file may allow an attacker with access to the backup file to decipher the sensitive data, via knowledge of the hard-coded key. The aforementioned sensitive data includes users' passwords (except the administrator's password), private keys' passphrases and High Availability password (when set).Show less
1Fortinet
2Forticlient
Fortios
Jun 17, 2026
Nov 21, 2019
N/A· v4
5.9 MEDIUM· v3
4.3 MEDIUM· v2
Use of a hardcoded cryptographic key in the FortiGuard services communication protocol may allow a Man in the middle with knowledge of the key to eavesdrop on and modify information (URL/SPAM services in FortiOS 5.6, and...Show more
Use of a hardcoded cryptographic key in the FortiGuard services communication protocol may allow a Man in the middle with knowledge of the key to eavesdrop on and modify information (URL/SPAM services in FortiOS 5.6, and URL/SPAM/AV services in FortiOS 6.0.; URL rating in FortiClient) sent and received from Fortiguard severs by decrypting these messages. Affected products include FortiClient for Windows 6.0.6 and below, FortiOS 6.0.7 and below, FortiClient for Mac OS 6.2.1 and below.Show less
1Fortinet
1Fortios
Jun 17, 2026
Oct 24, 2019
N/A· v4
7.5 HIGH· v3
2.6 LOW· v2
An Insufficient Entropy in PRNG vulnerability in Fortinet FortiOS 6.2.1, 6.2.0, 6.0.8 and below for device not enable hardware TRNG token and models not support builtin TRNG seed allows attacker to theoretically recover...Show more
An Insufficient Entropy in PRNG vulnerability in Fortinet FortiOS 6.2.1, 6.2.0, 6.0.8 and below for device not enable hardware TRNG token and models not support builtin TRNG seed allows attacker to theoretically recover the long term ECDSA secret in a TLS client with a RSA handshake and mutual ECDSA authentication via the help of flush+reload side channel attacks in FortiGate VM models only.Show less
1Fortinet
1Fortios
Nov 21, 2024
Aug 23, 2019
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
An information exposure vulnerability in FortiOS 6.2.3, 6.2.0 and below may allow an unauthenticated attacker to gain platform information such as version, models, via parsing a JavaScript file through admin webUI.
1Fortinet
1Fortios
Jun 17, 2026
Jun 4, 2019
N/A· v4
6.1 MEDIUM· v3
4.3 MEDIUM· v2
A reflected Cross-Site-Scripting (XSS) vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4 under SSL VPN web portal may allow an attacker to execute unauthorized malicious script code via the "err" parameter of the error pr...Show more
A reflected Cross-Site-Scripting (XSS) vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4 under SSL VPN web portal may allow an attacker to execute unauthorized malicious script code via the "err" parameter of the error process HTTP requests.Show less
1Fortinet
1Fortios
Jun 17, 2026
Jun 4, 2019
N/A· v4
6.5 MEDIUM· v3
4.0 MEDIUM· v2
Lack of root file system integrity checking in Fortinet FortiOS VM application images all versions below 6.0.5 may allow attacker to implant malicious programs into the installing image by reassembling the image through...Show more
Lack of root file system integrity checking in Fortinet FortiOS VM application images all versions below 6.0.5 may allow attacker to implant malicious programs into the installing image by reassembling the image through specific methods.Show less
1Fortinet
1Fortios
Jun 17, 2026
Jun 4, 2019
N/A· v4
6.1 MEDIUM· v3
4.3 MEDIUM· v2
A reflected Cross-Site-Scripting (XSS) vulnerability in Fortinet FortiOS 5.2.0 to 5.6.10, 6.0.0 to 6.0.4 under SSL VPN web portal may allow an attacker to execute unauthorized malicious script code via the "param" parame...Show more
A reflected Cross-Site-Scripting (XSS) vulnerability in Fortinet FortiOS 5.2.0 to 5.6.10, 6.0.0 to 6.0.4 under SSL VPN web portal may allow an attacker to execute unauthorized malicious script code via the "param" parameter of the error process HTTP requests.Show less