High Severity
Affected system
SAP Business One
CVSS
7.0
Component
SBO-CRO-SEC
Patch Day
2021-08
Released on
2021/08/10
SAP Note
3073325
Workaround
Yes
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Advisory

SAP takes the security of its vast product portfolio very seriously and thus releases security fixes for vulnerabilities reported by external researchers and their customers every second Tuesday of the month.

SAP Note 3073325 was released on 10.08.2021 and deals with "[CVE-2021-33700] Missing Authentication check in SAP Business One" within SAP Business One. We advice you to follow the instructions, to resolve missing authentication check with a high potential for exploitation in component SBO-CRO-SEC.

According to SAP Security Advisory team a workaround exists. It is advisable to implement the correction as part of maintenance.

Risk specification

SAP Business One allows a local attacker with access to the victim's browser under certain circumstances to log in as the victim without knowing his/her password.

Solution

The vulnerable function has been disabled. Customers need to implement or upgrade to SAP Business One 10.0 PL2105 Hotfix1.  Alternativly, the consulting team has proposed the following: "Don't use the lockout function and set the timeout to max value(admin user: 999 minutes, normal user: 30 minutes).". The suggestion may be considered, as a workaround or compensating mitigation. We recommend installing/applying the correction wherever possible and as soon as possible. Base your decision on whether or not to apply the patch on your companies and systems risk perspective and consider the provided CVSS 7.0 score.

The advisory is valid for

 

 

Disclaimer

SecurityBridge takes the security of SAP products very seriously. We very much encourage the responsible disclosure of security vulnerabilities. If you have detected a vulnerability concerning one of the SAP software products – either in the latest or in a former product version follow the guidelines and processes in accordance with the SAP portal page “Report a Security Vulnerability to SAP”.

The advisories found within the SecurityBridge advisory are generated and continuously enriched by our Team at SecurityBridge and affiliated security consultants, partners, customers of the SecurityBridge Platform, SAP support, and advisory groups.

We do not disclose zero-day vulnerabilities unless a security patch has been made available to the public. In such case, the platform only provides details on which version or signature updates are available within the SecurityBridge platform in order to monitor or measure the vulnerability.

In accordance with SAP guidelines, SecurityBridge only discloses issues where the fixing security note has been released. The vulnerability platform makes no references to available exploits or Proof of Concepts (PoC). Advisories and vulnerabilities will always mention the fixing security note or hints to the corresponding SAP documentation.

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