What is CVE-2021-40342?

CVE-2021-40342 is a high-severity vulnerability in Hitachi Energy Foxman-Un, classified under Use of Hard-coded Credentials. CVSS score: 7.1/10. Published 2023-01-05.

How severe is CVE-2021-40342?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Hitachi Energy Foxman-Un

CVE-2021-40342

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:*:*:*:*:*:*:*

EPSS: 0.003 (20.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

Affected products

Hitachi Energy Foxman-un — versions FOXMAN-UN R16A, FOXMAN-UN R15B, FOXMAN-UN R15A
Hitachi Energy Unem — versions UNEM R16A, UNEM R15B, UNEM R15A
Hitachienergy Foxman-un — versions r9c, r10c, r11a
Hitachienergy Unem — versions r9c, r10c, r11a

Weakness classification (CWE)

References

cybersecurity@hitachienergy.com (Mitigation, Vendor Advisory)
cybersecurity@hitachienergy.com (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2021-40342?: CVE-2021-40342 is a high-severity vulnerability in Hitachi Energy Foxman-Un, classified under Use of Hard-coded Credentials. CVSS score: 7.1/10. Published 2023-01-05.
How severe is CVE-2021-40342?: High severity. CVSS v3 base score is 7.1 out of 10.