CVE-2021-40342 Use of default key for encryption

High 7.1 Published Updated

Attackers can decrypt sensitive data and access managed network elements due to the use of a default encryption key in the DES implementation.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-40342?

CVE-2021-40342 is a high-severity vulnerability in Hitachi Energy FOXMAN-UN, published on 5 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the DES implementation, the affected product versions use a default key for encryption. Successful exploitation allows an attacker to obtain sensitive information and gain access to the network elements that are managed by the affected products versions.

This issue affects

* FOXMAN-UN product: FOXMAN-UN R16A, FOXMAN-UN R15B, FOXMAN-UN R15A, FOXMAN-UN R14B, FOXMAN-UN R14A, FOXMAN-UN R11B, FOXMAN-UN R11A, FOXMAN-UN R10C, FOXMAN-UN R9C; * UNEM product: UNEM R16A, UNEM R15B, UNEM R15A, UNEM R14B, UNEM R14A, UNEM R11B, UNEM R11A, UNEM R10C, UNEM R9C.

List of CPEs: * cpe:2.3:a:hitachienergy:foxman-un:R16A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R15B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R15A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R14B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R14A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R11B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R11A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R10C:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:foxman-un:R9C:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R16A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R15B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R15A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R14B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R14A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R11B:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R11A:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R10C:*:*:*:*:*:*:* * cpe:2.3:a:hitachienergy:unem:R9C:*:*:*:*:*:*:*

Weakness: CWE-287, CWE-798

Which versions are affected by CVE-2021-40342?

It affects 2 products.

Products include Hitachienergy Foxman-Un, Hitachienergy Unem.

How do I fix CVE-2021-40342?

No fix has been published for CVE-2021-40342 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-40342 being exploited?

There is no known exploitation of CVE-2021-40342 in the wild and no public exploit code.

Sources

Also known as GHSA-747r-gwxx-f5r5.

Is CVE-2021-40342 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free