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CVE-2023-22817

MEDIUMCVSS 5.5/10EPSS 0.24%

Last modified

CVE-2023-22817 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Server-side request forgery (SSRF) vulnerability that could allow a rogue server on the local network to modify its URL using another DNS address to point back to the loopback adapter. This could then allow the URL to exploit other vulnerabilities on the local server. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

Server-side request forgery (SSRF) vulnerability that could allow a rogue server on the local network to modify its URL using another DNS address to point back to the loopback adapter. This could then allow the URL to exploit other vulnerabilities on the local server. This was addressed by fixing DNS addresses that refer to loopback. This issue affects My Cloud OS 5 devices before 5.27.161, My Cloud Home, My Cloud Home Duo and SanDisk ibi devices before 9.5.1-104. 

Metrics

CVSS 3.1
5.5/10

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

EPSS Probability
0.24%

15.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
WesterndigitalMy Cloud Pr2100 Firmware< 5.27.161
WesterndigitalMy Cloud Pr4100 Firmware< 5.27.161
WesterndigitalMy Cloud Ex4100 Firmware< 5.27.161
WesterndigitalMy Cloud Ex2 Ultra Firmware< 5.27.161
WesterndigitalMy Cloud Mirror G2 Firmware< 5.27.161
WesterndigitalMy Cloud Dl2100 Firmware< 5.27.161
WesterndigitalMy Cloud Dl4100 Firmware< 5.27.161
WesterndigitalMy Cloud Ex2100 Firmware< 5.27.161
WesterndigitalMy Cloud Glacier Firmware< 5.27.161
WesterndigitalWd Cloud Firmware< 5.27.161
WesterndigitalMy Cloud Home Firmware< 9.5.1-104
WesterndigitalMy Cloud Home Duo Firmware< 9.5.1-104
WesterndigitalSandisk Ibi Firmware< 9.5.1-104

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-22817?
Server-side request forgery (SSRF) vulnerability that could allow a rogue server on the local network to modify its URL using another DNS address to point back to the loopback adapter. This could then allow the URL to exploit other vulnerabilities on the local server. This was addressed by fixing DNS addresses that refer to loopback. This issue affects My Cloud OS 5 devices before 5.27.161, My Cloud Home, My Cloud Home Duo and SanDisk ibi devices before 9.5.1-104. 
How severe is CVE-2023-22817?
CVE-2023-22817 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2023-22817?
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-2023-22817?

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

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Source: NVD / NIST