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CVE-2018-17153

89
FAUCET Score

CVE-2018-17153 is a critical authentication bypass vulnerability affecting Western Digital My Cloud devices prior to version 2.30.196. An unauthenticated attacker can exploit a flaw in the network_mgr.cgi module to establish an admin session without credentials, gaining full control of the device. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. Its high EPSS score and FAUCET Risk Score of 100/100 indicate a significant likelihood of exploitation. While not listed in KEV, exploit modules are publicly available in Metasploit and Nuclei, confirming its exploitability. The vulnerability has garnered significant community discussion and media coverage, highlighting its widespread awareness and potential for abuse.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.30.196CPE matchmatch criteria
cpe:2.3:o:western_digital:my_cloud_wdbctl0020hwt_firmware:*:*:*:*:*:*:*:*
< 2.30.196CPE matchmatch criteria
cpe:2.3:o:western_digital:my_cloud_pr4100:*:*:*:*:*:*:*:*
< 2.30.196CPE matchmatch criteria
cpe:2.3:o:western_digital:my_cloud_pr2100_firmware:*:*:*:*:*:*:*:*
< 2.30.196CPE matchmatch criteria
cpe:2.3:o:western_digital:my_cloud_mirror_gen_2_firmware:*:*:*:*:*:*:*:*
< 2.30.196CPE matchmatch criteria
cpe:2.3:o:western_digital:my_cloud_mirror_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
86.59%
Probability of exploitation in next 30 days
EPSS Percentile
99.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: Western Digital MyCloud unauthenticated command injection · Dec 14, 2016
Nuclei: CVE-2018-17153 · Aug 29, 2023
This CVE's current EPSS score of 0.8659 is in the 99th percentile among its peer group of 36,833 CVEs.

Social Chatter

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.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/173802/Western-Digital-MyCloud-Unauthenticated-Command-Injection.html
securify.nl / nl/advisory/SFY20180102/authentication-bypass-vulnerability-in-western-digital-my-cloud-allows-escalation-to-admin-privileges.html
ExploitThird Party Advisory
support.wdc.com / knowledgebase/answer.aspx
Third Party Advisory
securityfocus.com / bid/105359
Third Party AdvisoryVDB Entry