CVE-2022-22543 [High] | Denial of Service in Netweaver Abap

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.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.58%	1.34%	+0.76%
2	2025-10-26	0.73%	0.58%	-0.16%
3	2025-03-30	—	0.73%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.58%

1.34%

+0.76%

2025-10-26

0.73%

0.58%

-0.16%

2025-03-30

—

0.73%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	3.6	[email protected]
5.0	2.0	MEDIUM	`AV:N/AC:L/Au:N/C:N/I:N/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:N) No confidentiality impact. Integrity impact (I:N) No integrity impact. Availability impact (A:P) Partial availability impact.	10.0	2.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.5

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

3.6

[email protected]

5.0

2.0

MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:N): No confidentiality impact.
Integrity impact (I:N): No integrity impact.
Availability impact (A:P): Partial availability impact.

10.0

2.9

[email protected]

Affected software / configurations for CVE-2022-22543

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

References for CVE-2022-22543

URL	Tags
https://launchpad.support.sap.com/#/notes/3116223	Permissions Required Vendor Advisory
https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html	Vendor Advisory

URL

CVE-2022-22543

Exploit prediction scoring system (EPSS) score for CVE-2022-22543

Common vulnerability scoring system (CVSS) metrics for CVE-2022-22543

Weakness enumeration for CVE-2022-22543

Affected software / configurations for CVE-2022-22543

References for CVE-2022-22543