CVE-2023-35874 | Improper authentication vulnerability in SAP NetWeaver AS ABAP and ABAP Platform

SAP NetWeaver Application Server ABAP and ABAP Platform - version KRNL64NUC, 7.22, KRNL64NUC 7.22EXT, KRNL64UC 7.22, KRNL64UC 7.22EXT, KRNL64UC 7.53, KERNEL 7.22, KERNEL, 7.53, KERNEL 7.77, KERNEL 7.81, KERNEL 7.85, KERNEL 7.89, KERNEL 7.54, KERNEL 7.92, KERNEL 7.93, under some conditions, performs improper authentication checks for functionalities that require user identity. An attacker can perform malicious actions over the network, extending the scope of impact, causing a limited impact on confidentiality, integrity and availability.

Published: 2023-07-11 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-35874 is rated Low Risk (33.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.10%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-35874

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 0.19% 0.10% -0.09%
2 2025-11-18 0.10% 0.19% +0.10%
3 2025-04-15 0.10%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-35874

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.0 3.1 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L 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:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
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:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
1.8 3.7 [email protected]
7.4 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L 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:L)
A normal user session is enough; they don’t have to be admin.
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:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
3.1 3.7 [email protected]

Weakness enumeration for CVE-2023-35874

Affected software / configurations for CVE-2023-35874

Vendor Product Version Raw CPE
sap netweaver_application_server_abap kernel_7.22 cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.22:*:*:*:*:*:*:*
sap netweaver_application_server_abap kernel_7.53 cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.53:*:*:*:*:*:*:*
sap netweaver_application_server_abap kernel_7.54 cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.54:*:*:*:*:*:*:*
sap netweaver_application_server_abap kernel_7.77 cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.77:*:*:*:*:*:*:*
sap netweaver_application_server_abap kernel_7.81 cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.81:*:*:*:*:*:*:*
sap netweaver_application_server_abap kernel_7.85 cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.85:*:*:*:*:*:*:*
sap netweaver_application_server_abap kernel_7.89 cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.89:*:*:*:*:*:*:*
sap netweaver_application_server_abap kernel_7.92 cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.92:*:*:*:*:*:*:*
sap netweaver_application_server_abap kernel_7.93 cpe:2.3:a:sap:netweaver_application_server_abap:kernel_7.93:*:*:*:*:*:*:*
sap netweaver_application_server_abap krnl64nuc_7.22 cpe:2.3:a:sap:netweaver_application_server_abap:krnl64nuc_7.22:*:*:*:*:*:*:*
sap netweaver_application_server_abap krnl64nuc_7.22ext cpe:2.3:a:sap:netweaver_application_server_abap:krnl64nuc_7.22ext:*:*:*:*:*:*:*
sap netweaver_application_server_abap krnl64uc_7.22 cpe:2.3:a:sap:netweaver_application_server_abap:krnl64uc_7.22:*:*:*:*:*:*:*
sap netweaver_application_server_abap krnl64uc_7.22ext cpe:2.3:a:sap:netweaver_application_server_abap:krnl64uc_7.22ext:*:*:*:*:*:*:*
sap netweaver_application_server_abap krnl64uc_7.53 cpe:2.3:a:sap:netweaver_application_server_abap:krnl64uc_7.53:*:*:*:*:*:*:*

References for CVE-2023-35874

cvelogic Threat Intelligence