CVE-2020-6263 [Critical] | Authentication Bypass in Netweaver Application Ser…

Standalone clients connecting to SAP NetWeaver AS Java via P4 Protocol, versions (SAP-JEECOR 7.00, 7.01; SERVERCOR 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50; CORE-TOOLS 7.00, 7.01, 7.02, 7.05, 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50) do not perform any authentication checks for operations that require user identity leading to Authentication Bypass.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.22%	1.44%	+1.22%
2	2025-03-30	0.55%	0.22%	-0.33%
3	2025-03-29	—	0.55%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.22%

1.44%

+1.22%

2025-03-30

0.55%

0.22%

-0.33%

2025-03-29

—

0.55%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
9.8	3.1	CRITICAL	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	5.9	[email protected]
6.9	3.0	MEDIUM	`CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:H` Click to expand Attack vector (AV:A) Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet. 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:H) They need powerful rights—admin, root, or similar—before this pays off. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:C) Breaking this can reach past the original component and bite other resources—bigger blast radius. Confidentiality (C:L) Some sensitive info could get out, but not a total data dump. 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.	1.7	4.7	[email protected]
7.5	2.0	HIGH	`AV:N/AC:L/Au:N/C:P/I:P/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:P) Partial confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	10.0	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

9.8

3.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

5.9

[email protected]

6.9

3.0

MEDIUM

CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:H Click to expand

Attack vector (AV:A): Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
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:H): They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C): Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L): Some sensitive info could get out, but not a total data dump.
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.

1.7

4.7

[email protected]

7.5

2.0

HIGH

AV:N/AC:L/Au:N/C:P/I:P/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:P): Partial confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

10.0

6.4

[email protected]

Affected software / configurations for CVE-2020-6263

Vendor	Product	Version	Raw CPE
sap	netweaver_application_server_java	7.00	cpe:2.3:a:sap:netweaver_application_server_java:7.00:::::::*
sap	netweaver_application_server_java	7.01	cpe:2.3:a:sap:netweaver_application_server_java:7.01:::::::*
sap	netweaver_application_server_java	7.02	cpe:2.3:a:sap:netweaver_application_server_java:7.02:::::::*
sap	netweaver_application_server_java	7.05	cpe:2.3:a:sap:netweaver_application_server_java:7.05:::::::*
sap	netweaver_application_server_java	7.10	cpe:2.3:a:sap:netweaver_application_server_java:7.10:::::::*
sap	netweaver_application_server_java	7.11	cpe:2.3:a:sap:netweaver_application_server_java:7.11:::::::*
sap	netweaver_application_server_java	7.20	cpe:2.3:a:sap:netweaver_application_server_java:7.20:::::::*
sap	netweaver_application_server_java	7.30	cpe:2.3:a:sap:netweaver_application_server_java:7.30:::::::*
sap	netweaver_application_server_java	7.31	cpe:2.3:a:sap:netweaver_application_server_java:7.31:::::::*
sap	netweaver_application_server_java	7.40	cpe:2.3:a:sap:netweaver_application_server_java:7.40:::::::*
sap	netweaver_application_server_java	7.50	cpe:2.3:a:sap:netweaver_application_server_java:7.50:::::::*

References for CVE-2020-6263

URL	Tags
https://launchpad.support.sap.com/#/notes/2878568	Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=547426775	Vendor Advisory

URL

CVE-2020-6263

Exploit prediction scoring system (EPSS) score for CVE-2020-6263

Common vulnerability scoring system (CVSS) metrics for CVE-2020-6263

Weakness enumeration for CVE-2020-6263

Affected software / configurations for CVE-2020-6263

References for CVE-2020-6263