CVE-2021-40341

Name: CVE-2021-40341
Creator: NVD / NIST
Published: 2023-01-05T22:15:08.86+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.08%

Last modified Jun 17, 2026

CVE-2021-40341 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. DES cipher, which has inadequate encryption strength, is used Hitachi Energy FOXMAN-UN to encrypt user credentials used to access the Network Elements. Successful exploitation allows sensitive information to be decrypted easily. 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 estimates a 0.08% chance of exploitation in the next 30 days.

Description

DES cipher, which has inadequate encryption strength, is used Hitachi Energy FOXMAN-UN to encrypt user credentials used to access the Network Elements. Successful exploitation allows sensitive information to be decrypted easily. 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:*:*:*:*:*:*:*

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.08%

0.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Hitachienergy	Foxman-Un	r9c
Hitachienergy	Foxman-Un	r10c
Hitachienergy	Foxman-Un	r11a
Hitachienergy	Foxman-Un	r11b
Hitachienergy	Foxman-Un	r14a
Hitachienergy	Foxman-Un	r14b
Hitachienergy	Foxman-Un	r15a
Hitachienergy	Foxman-Un	r15b
Hitachienergy	Foxman-Un	r16a
Hitachienergy	Unem	r9c
Hitachienergy	Unem	r10c
Hitachienergy	Unem	r11a
Hitachienergy	Unem	r11b
Hitachienergy	Unem	r14a
Hitachienergy	Unem	r14b
Hitachienergy	Unem	r15a
Hitachienergy	Unem	r15b
Hitachienergy	Unem	r16a

References

https://search.abb.com/library/Download.aspx?DocumentID=8DBD000083&LanguageCode=en&DocumentPartId=&Action=LaunchMitigation, Vendor Advisory
https://search.abb.com/library/Download.aspx?DocumentID=8DBD000084&LanguageCode=en&DocumentPartId=&Action=LaunchMitigation, Vendor Advisory
https://search.abb.com/library/Download.aspx?DocumentID=8DBD000083&LanguageCode=en&DocumentPartId=&Action=LaunchMitigation, Vendor Advisory
https://search.abb.com/library/Download.aspx?DocumentID=8DBD000084&LanguageCode=en&DocumentPartId=&Action=LaunchMitigation, Vendor Advisory

Timeline

Published: Jan 5, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40341?

How severe is CVE-2021-40341?

CVE-2021-40341 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.08% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40341?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40341?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST