7.5
HIGH
CVE-2024-39921
IPCOM EX2 and VE2 Series Encryption Decryption Timing Vulnerability
Description
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.
INFO
Published Date :
Sept. 4, 2024, 3:15 a.m.
Last Modified :
Sept. 19, 2024, 2:59 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2024-39921
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-39921.
| URL | Resource |
|---|---|
| https://jvn.jp/en/jp/JVN29238389/ | Mitigation Third Party Advisory |
| https://www.fujitsu.com/jp/products/network/support/2024/ipcom-04/ | Mitigation Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-39921 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-39921 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 19, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://jvn.jp/en/jp/JVN29238389/ No Types Assigned https://jvn.jp/en/jp/JVN29238389/ Mitigation, Third Party Advisory Changed Reference Type https://www.fujitsu.com/jp/products/network/support/2024/ipcom-04/ No Types Assigned https://www.fujitsu.com/jp/products/network/support/2024/ipcom-04/ Mitigation, Vendor Advisory Added CWE NIST CWE-203 Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ve2_ls_100_firmware:*:*:*:*:*:*:*:* versions from (including) v01l04nf0001 up to (including) v01l06nf0112 OR cpe:2.3:h:fujitsu:ipcom_ve2_ls_100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ve2_ls_200_firmware:*:*:*:*:*:*:*:* versions from (including) v01l04nf0001 up to (including) v01l06nf0112 OR cpe:2.3:h:fujitsu:ipcom_ve2_ls_200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ve2_ls_220_firmware:*:*:*:*:*:*:*:* versions from (including) v01l04nf0001 up to (including) v01l06nf0112 OR cpe:2.3:h:fujitsu:ipcom_ve2_ls_220:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ve2_ls_plus_100_firmware:*:*:*:*:*:*:*:* versions from (including) v01l04nf0001 up to (including) v01l06nf0112 OR cpe:2.3:h:fujitsu:ipcom_ve2_ls_plus_100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ve2_ls_plus_200_firmware:*:*:*:*:*:*:*:* versions from (including) v01l04nf0001 up to (including) v01l06nf0112 OR cpe:2.3:h:fujitsu:ipcom_ve2_ls_plus_200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ve2_ls_plus_220_firmware:*:*:*:*:*:*:*:* versions from (including) v01l04nf0001 up to (including) v01l06nf0112 OR cpe:2.3:h:fujitsu:ipcom_ve2_ls_plus_220:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ve2_ls_plus2_200_firmware:*:*:*:*:*:*:*:* versions from (including) v01l04nf0001 up to (including) v01l06nf0112 OR cpe:2.3:h:fujitsu:ipcom_ve2_ls_plus2_200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ve2_ls_plus2_220_firmware:*:*:*:*:*:*:*:* versions from (including) v01l04nf0001 up to (including) v01l06nf0112 OR cpe:2.3:h:fujitsu:ipcom_ve2_ls_plus2_220:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ve2_sc_plus_100_firmware:*:*:*:*:*:*:*:* versions from (including) v01l04nf0001 up to (including) v01l06nf0112 OR cpe:2.3:h:fujitsu:ipcom_ve2_sc_plus_100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ve2_sc_plus_200_firmware:*:*:*:*:*:*:*:* versions from (including) v01l04nf0001 up to (including) v01l06nf0112 OR cpe:2.3:h:fujitsu:ipcom_ve2_sc_plus_200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ve2_sc_plus_220_firmware:*:*:*:*:*:*:*:* versions from (including) v01l04nf0001 up to (including) v01l06nf0112 OR cpe:2.3:h:fujitsu:ipcom_ve2_sc_plus_220:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ex2_in_3200_firmware:*:*:*:*:*:*:*:* versions from (including) v01l02nf0001 up to (including) v01l06nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_in_3200_firmware:*:*:*:*:*:*:*:* versions from (including) v01l20nf0001 up to (including) v01l20nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_in_3200_firmware:*:*:*:*:*:*:*:* versions from (including) v02l20nf0001 up to (including) v02l21nf0301 OR cpe:2.3:h:fujitsu:ipcom_ex2_in_3200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ex2_in_3500_firmware:*:*:*:*:*:*:*:* versions from (including) v01l02nf0001 up to (including) v01l06nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_in_3500_firmware:*:*:*:*:*:*:*:* versions from (including) v01l20nf0001 up to (including) v01l20nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_in_3500_firmware:*:*:*:*:*:*:*:* versions from (including) v02l20nf0001 up to (including) v02l21nf0301 OR cpe:2.3:h:fujitsu:ipcom_ex2_in_3500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ex2_lb_3200_firmware:*:*:*:*:*:*:*:* versions from (including) v01l02nf0001 up to (including) v01l06nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_lb_3200_firmware:*:*:*:*:*:*:*:* versions from (including) v01l20nf0001 up to (including) v01l20nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_lb_3200_firmware:*:*:*:*:*:*:*:* versions from (including) v02l20nf0001 up to (including) v02l21nf0301 OR cpe:2.3:h:fujitsu:ipcom_ex2_lb_3200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ex2_lb_3500_firmware:*:*:*:*:*:*:*:* versions from (including) v01l02nf0001 up to (including) v01l06nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_lb_3500_firmware:*:*:*:*:*:*:*:* versions from (including) v01l20nf0001 up to (including) v01l20nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_lb_3500_firmware:*:*:*:*:*:*:*:* versions from (including) v02l20nf0001 up to (including) v02l21nf0301 OR cpe:2.3:h:fujitsu:ipcom_ex2_lb_3500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ex2_sc_3200_firmware:*:*:*:*:*:*:*:* versions from (including) v01l02nf0001 up to (including) v01l06nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_sc_3200_firmware:*:*:*:*:*:*:*:* versions from (including) v01l20nf0001 up to (including) v01l20nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_sc_3200_firmware:*:*:*:*:*:*:*:* versions from (including) v02l20nf0001 up to (including) v02l21nf0301 OR cpe:2.3:h:fujitsu:ipcom_ex2_sc_3200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ex2_sc_3500_firmware:*:*:*:*:*:*:*:* versions from (including) v01l02nf0001 up to (including) v01l06nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_sc_3500_firmware:*:*:*:*:*:*:*:* versions from (including) v01l20nf0001 up to (including) v01l20nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_sc_3500_firmware:*:*:*:*:*:*:*:* versions from (including) v02l20nf0001 up to (including) v02l21nf0301 OR cpe:2.3:h:fujitsu:ipcom_ex2_sc_3500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ex2_dc_3200_firmware:*:*:*:*:*:*:*:* versions from (including) v01l02nf0001 up to (including) v01l06nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_dc_3200_firmware:*:*:*:*:*:*:*:* versions from (including) v01l20nf0001 up to (including) v01l20nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_dc_3200_firmware:*:*:*:*:*:*:*:* versions from (including) v02l20nf0001 up to (including) v02l21nf0301 OR cpe:2.3:h:fujitsu:ipcom_ex2_dc_3200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:ipcom_ex2_dc_3500_firmware:*:*:*:*:*:*:*:* versions from (including) v01l02nf0001 up to (including) v01l06nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_dc_3500_firmware:*:*:*:*:*:*:*:* versions from (including) v01l20nf0001 up to (including) v01l20nf0401 *cpe:2.3:o:fujitsu:ipcom_ex2_dc_3500_firmware:*:*:*:*:*:*:*:* versions from (including) v02l20nf0001 up to (including) v02l21nf0301 OR cpe:2.3:h:fujitsu:ipcom_ex2_dc_3500:-:*:*:*:*:*:*:* -
CVE Received by [email protected]
Sep. 04, 2024
Action Type Old Value New Value Added Description 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. Added Reference JPCERT/CC https://www.fujitsu.com/jp/products/network/support/2024/ipcom-04/ [No types assigned] Added Reference JPCERT/CC https://jvn.jp/en/jp/JVN29238389/ [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-39921 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-39921
weaknesses.
CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability