CVE-2025-42893 | Open Redirect vulnerability in SAP Business Connector

Due to an Open Redirect vulnerability in SAP Business Connector, an unauthenticated attacker could craft a malicious URL that, if accessed by a victim, redirects them to an attacker-controlled site displayed within an embedded frame. Successful exploitation could allow the attacker to steal sensitive information and perform unauthorized actions, impacting the confidentiality and integrity of web client data. There is no impact to system availability resulting from this vulnerability.

Published: 2025-11-11 Last update: 2026-01-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-42893 is rated Low Risk (30.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.06%). 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-2025-42893

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 0.04% 0.06% +0.01%
2 2025-11-18 0.05% 0.04% -0.01%
3 2025-11-11 0.05%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-42893

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N 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:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
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:N)
Service keeps running; no real outage angle.
2.8 2.7 [email protected]

Weakness enumeration for CVE-2025-42893

Affected software / configurations for CVE-2025-42893

Vendor Product Version Raw CPE
sap business_connector 4.8 cpe:2.3:a:sap:business_connector:4.8:*:*:*:*:*:*:*

References for CVE-2025-42893

URL Tags
https://me.sap.com/notes/3662000 Permissions Required
https://url.sap/sapsecuritypatchday Vendor Advisory
cvelogic Threat Intelligence