CVE-2021-40342 is a critical vulnerability affecting Hitachi Energy FOXMAN-UN and UNEM products across multiple versions (R9C through R16A). The vulnerability stems from the use of a default DES encryption key, allowing attackers to decrypt sensitive information. This issue has a CVSS score of 9.8 (Critical) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability, potentially leading to unauthorized access to managed network elements. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
r9cCPE matchmatch criteria | cpe:2.3:a:hitachienergy:foxman-un:r9c:*:*:*:*:*:*:* | ||
r10cCPE matchmatch criteria | cpe:2.3:a:hitachienergy:foxman-un:r10c:*:*:*:*:*:*:* | ||
r11aCPE matchmatch criteria | cpe:2.3:a:hitachienergy:foxman-un:r11a:*:*:*:*:*:*:* | ||
r11bCPE matchmatch criteria | cpe:2.3:a:hitachienergy:foxman-un:r11b:*:*:*:*:*:*:* | ||
r14aCPE matchmatch criteria | cpe:2.3:a:hitachienergy:foxman-un:r14a:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.