How severe is CVE-2020-29127?

CVE-2020-29127 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-29127 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29127?

CVE-2020-29127 affects Fujitsu Eternus Storage Dx200 S4 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29127?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-29127 published?

CVE-2020-29127 was published on 2020-11-30 and last updated on 2026-06-17.

CVE-2020-29127

CVE-2020-29127 is a critical-severity vulnerability in Fujitsu Eternus Storage Dx200 S4 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 4% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Fujitsu Eternus Storage Dx200 S4 Firmware
Published: 2020-11-30
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-29127?: CVE-2020-29127 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-29127 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29127?: CVE-2020-29127 affects Fujitsu Eternus Storage Dx200 S4 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29127?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-29127 published?: CVE-2020-29127 was published on 2020-11-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:fujitsu:eternus_storage_dx200_s4_firmware:*:*:*:*:*:*:*:*

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-77244 — Critical (CVSS 10.0): MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0,…
CVE-2026-94493 — Critical (CVSS 10.0): A vulnerability was detected in Gigatech PDV5701 1.0.31_240305_112640. This issue affects some unknown processing of…
CVE-2026-83099 — Critical (CVSS 10.0): Vulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmode).…
CVE-2026-83059 — Critical (CVSS 10.0): Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).…
CVE-2026-83021 — Critical (CVSS 10.0): Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Container). Supported…
CVE-2026-83020 — Critical (CVSS 10.0): Vulnerability in the Oracle Platform Security for Java product of Oracle Fusion Middleware (component: Centralized…

Browse all CWE-287 (Improper Authentication) vulnerabilities →