Auth bypass in Fujitsu Eternus Storage Dx200 S4
CVE-2020-29127
An issue was discovered on Fujitsu Eternus Storage DX200 S4 devices through 2020-11-25. After logging into the portal as a root user (using any web browser), the portal can be accessed with root privileges when the URI cgi-bin/csp?cspid={XXXXXXXXXX}&csppage=cgi_PgOverview&csplang=en is visited from a different web browser.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.045 (91.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.045 · newest: 0.045 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.first.org/members/teams/fujitsu_psirt (Third Party Advisory)
- packetstormsecurity.com/files/160255/Fujitsu-Eternus-Storage-DX200-S4-Broken-Au… (Exploit, VDB Entry, Third Party Advisory)
- cxsecurity.com/issue/WLB-2020110215 (Exploit, Third Party Advisory)
- seccops.com/fujitsu-eternus-storage-dx200-s4-broken-authentication/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-29127?
- CVE-2020-29127 is a critical-severity vulnerability in Fujitsu Eternus Storage Dx200 S4, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-11-30.
- How severe is CVE-2020-29127?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-29127 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.