How severe is CVE-2022-22543?

CVE-2022-22543 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-22543 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-22543?

CVE-2022-22543 primarily affects Sap Netweaver Abap. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-22543?

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

When was CVE-2022-22543 published?

CVE-2022-22543 was published on 2022-02-09 and last updated on 2026-06-17.

CVE-2022-22543

CVE-2022-22543 is a high-severity vulnerability in Sap Netweaver Abap with a CVSS 3.x base score of 7.5. 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Sap Netweaver Abap
Published: 2022-02-09
Last modified: 2026-06-17

Description

SAP NetWeaver Application Server for ABAP (Kernel) and ABAP Platform (Kernel) - versions KERNEL 7.22, 8.04, 7.49, 7.53, 7.77, 7.81, 7.85, 7.86, 7.87, KRNL64UC 8.04, 7.22, 7.22EXT, 7.49, 7.53, KRNL64NUC 7.22, 7.22EXT, 7.49, does not sufficiently validate sap-passport information, which could lead to a Denial-of-Service attack. This allows an unauthorized remote user to provoke a breakdown of the SAP Web Dispatcher or Kernel work process. The crashed process can be restarted immediately, other processes are not affected.

Frequently asked questions

What is CVE-2022-22543?: SAP NetWeaver Application Server for ABAP (Kernel) and ABAP Platform (Kernel) - versions KERNEL 7.22, 8.04, 7.49, 7.53, 7.77, 7.81, 7.85, 7.86, 7.87, KRNL64UC 8.04, 7.22, 7.22EXT, 7.49, 7.53, KRNL64NUC 7.22, 7.22EXT, 7.49, does not sufficiently validate sap-passport information, which could lead to a Denial-of-Service attack. This allows an unauthorized remote user to provoke a breakdown of the SAP Web Dispatcher or Kernel work process. The crashed process can be restarted immediately, other processes are not affected.
How severe is CVE-2022-22543?: CVE-2022-22543 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-22543 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-22543?: CVE-2022-22543 primarily affects Sap Netweaver Abap. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-22543?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-22543 published?: CVE-2022-22543 was published on 2022-02-09 and last updated on 2026-06-17.

References

Affected products (24)

cpe:2.3:a:sap:netweaver_abap:7.22:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.22ext:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.49:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.53:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.77:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.81:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.85:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.86:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:7.87:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:8.04:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:krnl64nuc_7.22:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_abap:krnl64nuc_8.04:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_as_abap:7.22:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_as_abap:7.22ext:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_as_abap:7.49:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_as_abap:7.53:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_as_abap:7.77:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_as_abap:7.81:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_as_abap:7.85:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_as_abap:7.86:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_as_abap:7.87:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_as_abap:8.04:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_as_abap:krnl64nuc_7.22:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_as_abap:krnl64nuc_8.04:*:*:*:*:*:*:*

More vulnerabilities in Sap Netweaver Abap

CVE-2012-4341 — Critical (CVSS 10.0): Multiple stack-based buffer overflows in msg_server.exe in SAP NetWeaver ABAP 7.x allow remote attackers to cause a…
CVE-2021-27610 — Critical (CVSS 9.8): SAP NetWeaver ABAP Server and ABAP Platform, versions - 700, 701, 702, 731, 740, 750, 751, 752, 753, 754, 755, 804,…
CVE-2021-38178 — High (CVSS 8.8): The software logistics system of SAP NetWeaver AS ABAP and ABAP Platform versions - 700, 701, 702, 710, 730, 731, 740,…
CVE-2021-38181 — High (CVSS 7.5): SAP NetWeaver AS ABAP and ABAP Platform - versions 700, 701, 702, 730, 731, 740, 750, 751, 752, 753, 754, 755, 756,…
CVE-2021-33677 — High (CVSS 7.5): SAP NetWeaver ABAP Server and ABAP Platform, versions - 700, 702, 730, 731, 804, 740, 750, 784, expose functions to…
CVE-2021-27633 — High (CVSS 7.5): SAP NetWeaver AS for ABAP (RFC Gateway), versions - KRNL32NUC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT,7.49, KRNL64UC -…

All CVEs affecting Sap Netweaver Abap →

Other CWE-400 (Uncontrolled Resource Consumption) vulnerabilities

CVE-2026-46775 — Critical (CVSS 9.9): Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0.…
CVE-2025-61303 — Critical (CVSS 9.8): Hatching Triage Sandbox Windows 10 build 2004 (2025-08-14) and Windows 10 LTSC 2021(2025-08-14) contains a…
CVE-2025-43193 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7,…
CVE-2025-24269 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to…
CVE-2025-24264 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4,…
CVE-2025-24260 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5,…

Browse all CWE-400 (Uncontrolled Resource Consumption) vulnerabilities →