- Vulnerability/
- CVE-2024-21762
CVE-2024-21762: Out-of-bound Write in sslvpnd
First published: Thu Feb 08 2024(Updated: )
A out-of-bounds write in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, 2.0.0 through 2.0.13, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7 allows attacker to execute unauthorized code or commands via specifically crafted requests
Credit: psirt@fortinet.com psirt@fortinet.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Fortinet FortiOS | >=7.4.0<=7.4.2 | |
| Fortinet FortiOS | >=7.2.0<=7.2.6 | |
| Fortinet FortiOS | >=7.0.0<=7.0.13 | |
| Fortinet FortiOS | >=6.4.0<=6.4.14 | |
| Fortinet FortiOS | >=6.2.0<=6.2.15 | |
| Fortinet FortiOS | >=6.0.0<=6.0.17 | |
| Fortinet FortiProxy | >=7.4.0<=7.4.2 | |
| Fortinet FortiProxy | >=7.2.0<=7.2.8 | |
| Fortinet FortiProxy | >=7.0.0<=7.0.14 | |
| Fortinet FortiProxy | >=2.0.0<=2.0.13 | |
| Fortinet FortiProxy | >=1.2 | |
| Fortinet FortiProxy | >=1.1 | |
| Fortinet FortiProxy | >=1.0 | |
| Fortinet FortiOS | ||
| Fortinet FortiProxy | >=1.0.0<2.0.14 | |
| Fortinet FortiProxy | >=7.0.0<7.0.15 | |
| Fortinet FortiProxy | >=7.2.0<7.2.9 | |
| Fortinet FortiProxy | >=7.4.0<7.4.3 | |
| Fortinet FortiOS | >=6.0.0<6.0.18 | |
| Fortinet FortiOS | >=6.2.0<6.2.16 | |
| Fortinet FortiOS | >=6.4.0<6.4.15 | |
| Fortinet FortiOS | >=7.0.0<7.0.14 | |
| Fortinet FortiOS | >=7.2.0<7.2.7 | |
| Fortinet FortiOS | >=7.4.0<7.4.3 |
Remedy
Please upgrade to FortiProxy version 7.4.3 or above Please upgrade to FortiProxy version 7.2.9 or above Please upgrade to FortiProxy version 7.0.15 or above Please upgrade to FortiProxy version 2.0.14 or above Please upgrade to FortiOS version 7.6.0 or above Please upgrade to FortiOS version 7.4.3 or above Please upgrade to FortiOS version 7.2.7 or above Please upgrade to FortiOS version 7.0.14 or above Please upgrade to FortiOS version 6.4.15 or above Please upgrade to FortiOS version 6.2.16 or above
Remedy
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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Reference Links
- https://www.bleepingcomputer.com/news/security/new-fortinet-rce-flaw-in-ssl-vpn-likely-exploited-in-attacks/
- https://www.bleepingcomputer.com/news/security/new-fortinet-rce-bug-is-actively-exploited-cisa-confirms/
- https://www.bleepingcomputer.com/news/security/critical-fortinet-flaw-may-impact-150-000-exposed-devices/
- https://www.bleepingcomputer.com/news/security/fortinet-warns-of-critical-rce-bug-in-endpoint-management-software/
- https://www.theregister.com/2024/03/18/more_than_133000_fortinet_appliances/
- https://www.bleepingcomputer.com/news/security/exploit-released-for-fortinet-rce-bug-used-in-attacks-patch-now/
- https://fortiguard.com/psirt/FG-IR-24-015
- https://www.fortiguard.com/psirt/cvrf/FG-IR-24-015
- https://www.fortiguard.com/psirt/FG-IR-24-015
- https://fortiguard.fortinet.com/psirt/FG-IR-24-015
- https://nvd.nist.gov/vuln/detail/CVE-2024-21762
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- collector/bleeping-computer
- source/BleepingComputer
- alias/CVE-2024-21762
- alias/CVE-2024-23113
- alias/CVE-2023-44487
- alias/CVE-2023-47537
- agent/type
- agent/remedy
- alias/CVE-2024-23108
- alias/CVE-2024-23109
- alias/CVE-2023-34992
- alias/CVE-2022-42475
- alias/CVE-2023-27997
- collector/fortiguard-psirt-latest
- source/FortiGuard
- agent/first-publish-date
- agent/severity
- alias/CVE-2023-48788
- alias/CVE-2023-42789
- alias/CVE-2023-36554
- alias/CVE-2023-47534
- collector/the-register
- source/The Register
- alias/CVE-2022-40684
- agent/weakness
- zeroday/true
- agent/news-ai
- collector/epss-latest
- source/FIRST
- agent/epss
- agent/title
- agent/description
- collector/fortiguard-psirt
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/mitre-cve
- source/MITRE
- exploited/true
- collector/cisa-known-exploited
- source/CISA
- agent/references
- agent/author
- agent/tags
- collector/nvd-api
- source/NVD
- agent/last-modified-date
- agent/event
- collector/nvd-cve
- agent/softwarecombine
- agent/trending
- vendor/fortinet
- canonical/fortinet fortios
- version/fortinet fortios/7.4.0
- version/fortinet fortios/7.4.2
- version/fortinet fortios/7.2.0
- version/fortinet fortios/7.2.6
- version/fortinet fortios/7.0.0
- version/fortinet fortios/7.0.13
- version/fortinet fortios/6.4.0
- version/fortinet fortios/6.4.14
- version/fortinet fortios/6.2.0
- version/fortinet fortios/6.2.15
- version/fortinet fortios/6.0.0
- version/fortinet fortios/6.0.17
- canonical/fortinet fortiproxy
- version/fortinet fortiproxy/7.4.0
- version/fortinet fortiproxy/7.4.2
- version/fortinet fortiproxy/7.2.0
- version/fortinet fortiproxy/7.2.8
- version/fortinet fortiproxy/7.0.0
- version/fortinet fortiproxy/7.0.14
- version/fortinet fortiproxy/2.0.0
- version/fortinet fortiproxy/2.0.13
- version/fortinet fortiproxy/1.2
- version/fortinet fortiproxy/1.1
- version/fortinet fortiproxy/1.0
- version/fortinet fortiproxy/1.0.0