How severe is CVE-2020-26823?

CVE-2020-26823 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2020-26823 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26823?

CVE-2020-26823 affects Sap Solution Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26823?

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-2020-26823 published?

CVE-2020-26823 was published on 2020-11-10 and last updated on 2026-06-17.

CVE-2020-26823

CVE-2020-26823 is a critical-severity vulnerability in Sap Solution Manager with a CVSS 3.x base score of 10.0. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v2: 6.4
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Sap Solution Manager
Published: 2020-11-10
Last modified: 2026-06-17

Description

SAP Solution Manager (JAVA stack), version - 7.20, allows an unauthenticated attacker to compromise the system because of missing authorization checks in the Upgrade Diagnostics Agent Connection Service, this has an impact to the integrity and availability of the service.

Frequently asked questions

What is CVE-2020-26823?: SAP Solution Manager (JAVA stack), version - 7.20, allows an unauthenticated attacker to compromise the system because of missing authorization checks in the Upgrade Diagnostics Agent Connection Service, this has an impact to the integrity and availability of the service.
How severe is CVE-2020-26823?: CVE-2020-26823 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2020-26823 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26823?: CVE-2020-26823 affects Sap Solution Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26823?: 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-2020-26823 published?: CVE-2020-26823 was published on 2020-11-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sap:solution_manager:7.20:*:*:*:*:*:*:*

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities

CVE-2026-54309 — Critical (CVSS 10.0): n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP…
CVE-2026-50242 — Critical (CVSS 10.0): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429…
CVE-2026-49257 — Critical (CVSS 10.0): mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot. In versions 3.0.1…
CVE-2026-46846 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46803 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46800 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites).…

Browse all CWE-306 (Missing Authentication for Critical Function) vulnerabilities →