CVE-2024-39921 Information disclosure in IPCOM EX2 Series
An attacker can decrypt encrypted communications on IPCOM EX2 and VE2 series devices due to observable timing discrepancies.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-39921?
CVE-2024-39921 is a high-severity vulnerability in Fsas Technologies Inc. IPCOM EX2 Series, published on 4 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-203
Which versions are affected by CVE-2024-39921?
It affects 19 products.
Products include Fujitsu Ipcom Ex2 Dc 3200 Firmware, Fujitsu Ipcom Ex2 Dc 3500 Firmware, Fujitsu Ipcom Ex2 in 3200 Firmware, Fujitsu Ipcom Ex2 in 3500 Firmware, Fujitsu Ipcom Ex2 Lb 3200 Firmware, Fujitsu Ipcom Ex2 Lb 3500 Firmware and 13 more.
How do I fix CVE-2024-39921?
No fix has been published for CVE-2024-39921 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-39921 being exploited?
There is no known exploitation of CVE-2024-39921 in the wild and no public exploit code.
Other vulnerabilities in Fsas Technologies Inc. IPCOM EX2 Series
Sources
Also known as GHSA-c5j5-cf8h-96p6.