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Security Advisory; NCSC-2026-0490 [1.0.0]
- Security Advisory
- NCSC-2026-0490 [1.0.0]
- Publicatie
- 12-11-2026 13:12 (Europe/Amsterdam)
- Prioriteit
- Normaal
- Betreft
- Kwetsbaarheden verholpen in Fortinet FortiAuthenticator
Kenmerken
- Improper Neutralization of Special Elements used in an SQL Command
- Improper Neutralization of Special Elements used in an LDAP Query
- Stack-based Buffer Overflow
- Use of Externally-Controlled Format String
- Use of Hard-coded Password
- NULL Pointer Dereference
- Insufficiently Protected Credentials
- URL Redirection to Untrusted Site
- Allocation of Resources Without Limits or Throttling
- Out-of-bounds Write
- Loop with Unreachable Exit Condition
- Incorrect Authorization
Omschrijving
Fortinet heeft meerdere kwetsbaarheden verholpen in FortiAuthenticator versies 6.6.0 tot 6.6.10 en 8.0.0 tot 8.0.3.
Meerdere kwetsbaarheden in FortiAuthenticator kunnen leiden tot ongeoorloofde toegang, informatielekken, code-uitvoering of uitval. Sommige zijn zonder account te misbruiken
- Open redirect: doorsturen van gebruikers naar ongewenste websites.
- Dienstverstoring: uitval door oneindige lussen of overbelasting.
- Toegangscontrole: ongeoorloofde toegang door fouten in autorisatie en rechtenbeheer.
- FSSO: buffer overflow in de authenticatieonderdelen.
- LDAP- en SQL-injectie: manipuleren van directory- en databaseopdrachten.
- Geheugenfouten: schrijven buiten geheugenbuffers en ongeldige geheugenverwijzingen.
- Formatstringfout: onveilige verwerking van aangeleverde tekst.
- Hardcoded wachtwoorden: misbruik van vaste, ingebouwde wachtwoorden.
Oplossingen
Fortinet heeft updates uitgebracht om de kwetsbaarheden in FortiAuthenticator te verhelpen. Zie bijgevoegde referenties voor meer informatie.
Referenties
- https://fortiguard.fortinet.com/psirt/FG-IR-26-191
- https://fortiguard.fortinet.com/psirt/FG-IR-26-252
- https://fortiguard.fortinet.com/psirt/FG-IR-26-253
- https://fortiguard.fortinet.com/psirt/FG-IR-26-254
- https://fortiguard.fortinet.com/psirt/FG-IR-26-255
- https://fortiguard.fortinet.com/psirt/FG-IR-26-256
- https://fortiguard.fortinet.com/psirt/FG-IR-26-257
- https://fortiguard.fortinet.com/psirt/FG-IR-26-259
- https://fortiguard.fortinet.com/psirt/FG-IR-26-260
- https://fortiguard.fortinet.com/psirt/FG-IR-26-261
- https://fortiguard.fortinet.com/psirt/FG-IR-26-262
- https://fortiguard.fortinet.com/psirt/FG-IR-26-263
- https://fortiguard.fortinet.com/psirt/FG-IR-26-264
- https://fortiguard.fortinet.com/psirt/FG-IR-26-265
- https://fortiguard.fortinet.com/psirt/FG-IR-26-266
- https://fortiguard.fortinet.com/psirt/FG-IR-26-271
CVE's
- CVE-2026-121526 - CVSS (v3) 6.1
- CVE-2026-126237 - CVSS (v3) 7.5
- CVE-2026-126238 - CVSS (v3) 8.6
- CVE-2026-126239 - CVSS (v3) 7.5
- CVE-2026-126240 - CVSS (v3) 8.2
- CVE-2026-126241 - CVSS (v3) 8.8
- CVE-2026-126242 - CVSS (v3) 7.4
- CVE-2026-126243 - CVSS (v3) 7.2
- CVE-2026-126244 - CVSS (v3) 7.5
- CVE-2026-126245 - CVSS (v3) 8.1
- CVE-2026-126246 - CVSS (v3) 7.5
- CVE-2026-126247 - CVSS (v3) 7.2
- CVE-2026-126248 - CVSS (v3) 7.5
- CVE-2026-126249 - CVSS (v3) 7.2
- CVE-2026-126250 - CVSS (v3) 8.2
- CVE-2026-126251 - CVSS (v3) 9.1
- CVE-2026-126252 - CVSS (v3) 8.3
- CVE-2026-126257 - CVSS (v3) 9.0
Producten
Fortinet
Disclaimer
The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions: NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein. NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory. This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings.