high
7.5
CWE
203
Advisory Published
Updated

CVE-2024-39921

First published: Wed Sep 04 2024(Updated: )

Observable timing discrepancy issue exists in IPCOM EX2 Series V01L02NF0001 to V01L06NF0401, V01L20NF0001 to V01L20NF0401, V02L20NF0001 to V02L21NF0301, and IPCOM VE2 Series V01L04NF0001 to V01L06NF0112. If this vulnerability is exploited, some of the encrypted communication may be decrypted by an attacker who can obtain the contents of the communication.

Credit: vultures@jpcert.or.jp

Affected SoftwareAffected VersionHow to fix
All of
Fujitsu Ipcom Ve2 Ls 100 Firmware>=v01l04nf0001<=v01l06nf0112
Fujitsu Ipcom Ve2 Ls 100 Firmware
All of
Fujitsu Ipcom Ve2 Ls 200 Firmware>=v01l04nf0001<=v01l06nf0112
Fujitsu Ipcom Ve2 Ls 200 Firmware
All of
Fujitsu Ipcom Ve2 Ls 220 Firmware>=v01l04nf0001<=v01l06nf0112
Fujitsu Ipcom Ve2 Ls 220 Firmware
All of
Fujitsu Ipcom Ve2 Ls Plus 100 Firmware>=v01l04nf0001<=v01l06nf0112
Fujitsu Ipcom Ve2 Ls Plus 100 Firmware
All of
Fujitsu Ipcom Ve2 Ls Plus 200 Firmware>=v01l04nf0001<=v01l06nf0112
Fujitsu Ipcom Ve2 Ls Plus2 200
All of
Fujitsu Ipcom Ve2 Ls Plus2 220 Firmware>=v01l04nf0001<=v01l06nf0112
Fujitsu Ipcom Ve2 Ls Plus 220 Firmware
All of
Fujitsu Ipcom Ve2 Ls Plus2 200 Firmware>=v01l04nf0001<=v01l06nf0112
Fujitsu Ipcom Ve2 Ls Plus2 200 Firmware
All of
Fujitsu Ipcom Ve2 Ls Plus2 220>=v01l04nf0001<=v01l06nf0112
Fujitsu Ipcom Ve2 Ls Plus2 220 Firmware
All of
Fujitsu Ipcom Ve2 Sc Plus 100 Firmware>=v01l04nf0001<=v01l06nf0112
Fujitsu Ipcom Ve2 Sc Plus 100 Firmware
All of
Fujitsu Ipcom Ve2 Sc Plus 200>=v01l04nf0001<=v01l06nf0112
Fujitsu Ipcom Ve2 Sc Plus 200 Firmware
All of
Fujitsu Ipcom Ve2 Sc Plus 220>=v01l04nf0001<=v01l06nf0112
Fujitsu Ipcom Ve2 Sc Plus 220 Firmware
All of
Any of
Fujitsu Ipcom Ex2 In 3200 Firmware>=v01l02nf0001<=v01l06nf0401
Fujitsu Ipcom Ex2 In 3200 Firmware>=v01l20nf0001<=v01l20nf0401
Fujitsu Ipcom Ex2 In 3200 Firmware>=v02l20nf0001<=v02l21nf0301
Fujitsu Ipcom Ex2 In 3200 Firmware
All of
Any of
Fujitsu Ipcom Ex2 In 3500 Firmware>=v01l02nf0001<=v01l06nf0401
Fujitsu Ipcom Ex2 In 3500 Firmware>=v01l20nf0001<=v01l20nf0401
Fujitsu Ipcom Ex2 In 3500 Firmware>=v02l20nf0001<=v02l21nf0301
Fujitsu Ipcom Ex2 In 3500 Firmware
All of
Any of
Fujitsu Ipcom Ex2 Lb 3200 Firmware>=v01l02nf0001<=v01l06nf0401
Fujitsu Ipcom Ex2 Lb 3200 Firmware>=v01l20nf0001<=v01l20nf0401
Fujitsu Ipcom Ex2 Lb 3200 Firmware>=v02l20nf0001<=v02l21nf0301
Fujitsu Ipcom Ex2 Lb 3200 Firmware
All of
Any of
Fujitsu Ipcom Ex2 Lb 3500 Firmware>=v01l02nf0001<=v01l06nf0401
Fujitsu Ipcom Ex2 Lb 3500 Firmware>=v01l20nf0001<=v01l20nf0401
Fujitsu Ipcom Ex2 Lb 3500 Firmware>=v02l20nf0001<=v02l21nf0301
Fujitsu Ipcom Ex2 Lb 3500 Firmware
All of
Any of
Fujitsu Ipcom Ex2 Sc 3200 Firmware>=v01l02nf0001<=v01l06nf0401
Fujitsu Ipcom Ex2 Sc 3200 Firmware>=v01l20nf0001<=v01l20nf0401
Fujitsu Ipcom Ex2 Sc 3200 Firmware>=v02l20nf0001<=v02l21nf0301
Fujitsu Ipcom Ex2 Sc 3200 Firmware
All of
Any of
Fujitsu Ipcom Ex2 Sc 3500 Firmware>=v01l02nf0001<=v01l06nf0401
Fujitsu Ipcom Ex2 Sc 3500 Firmware>=v01l20nf0001<=v01l20nf0401
Fujitsu Ipcom Ex2 Sc 3500 Firmware>=v02l20nf0001<=v02l21nf0301
Fujitsu Ipcom Ex2 Sc 3500 Firmware
All of
Any of
Fujitsu Ipcom Ex2 Dc 3200 Firmware>=v01l02nf0001<=v01l06nf0401
Fujitsu Ipcom Ex2 Dc 3200 Firmware>=v01l20nf0001<=v01l20nf0401
Fujitsu Ipcom Ex2 Dc 3200 Firmware>=v02l20nf0001<=v02l21nf0301
Fujitsu Ipcom Ex2 Dc 3200 Firmware
All of
Any of
Fujitsu Ipcom Ex2 Dc 3500 Firmware>=v01l02nf0001<=v01l06nf0401
Fujitsu Ipcom Ex2 Dc 3500 Firmware>=v01l20nf0001<=v01l20nf0401
Fujitsu Ipcom Ex2 Dc 3500 Firmware>=v02l20nf0001<=v02l21nf0301
Fujitsu Ipcom Ex2 Dc 3500 Firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2024-39921?

    CVE-2024-39921 is classified as a medium-severity vulnerability affecting multiple Fujitsu IPCOM firmware versions.

  • How do I fix CVE-2024-39921?

    To fix CVE-2024-39921, update the affected IPCOM EX2 and VE2 firmware to the latest recommended version provided by Fujitsu.

  • What systems are affected by CVE-2024-39921?

    CVE-2024-39921 affects Fujitsu IPCOM EX2 and VE2 series devices with specific firmware versions ranging from V01L02NF0001 to V01L06NF0401.

  • What kind of vulnerability is CVE-2024-39921?

    CVE-2024-39921 is an observable timing discrepancy issue that could lead to potential decryption of encrypted communications.

  • Is there a workaround for CVE-2024-39921?

    There are no known workarounds for CVE-2024-39921; the recommended action is to apply the firmware update to mitigate the vulnerability.

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