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Business One CVE-2021-33700

HIGH
Authentication Bypass Using an Alternate Path or Channel (CWE-288)
2021-09-15 cna@sap.com
7.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Alternate path authentication
Impact

CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAI

SAP Business One, version - 10.0, allows a local attacker with access to the victim's browser under certain circumstances, to login as the victim without knowing his/her password. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-288. SAP Business One, version - 10.0, allows a local attacker with access to the victim's browser under certain circumstances, to login as the victim without knowing his/her password. The attacker could so obtain highly sensitive information which the attacker could use to take substantial control of the vulnerable application. Affected products include: Sap Business One.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

SAP Business One, version - 10.0, allows a local attacker with access to the victim's browser under certain circumstances, to login as the victim without knowing his/her password. The attacker could so obtain highly sensitive information which the attacker could use to take substantial control of the vulnerable application.

Threat Intelligence Overview

EPSS Score
0.2%
Top 89% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +39
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:sap:business_one:10.0:*:*:*:*:*:*:*
CVE-2016-6256 CRITICAL POC
9.6 May 26

SAP Business One for Android 1.2.3 allows remote attackers to conduct XML External Entity (XXE) attacks via crafted XML

CVE-2021-38180 CRITICAL
9.8 Oct 12

SAP Business One - version 10.0, allows an attacker to inject formulas when exporting data to Excel (CSV injection) due

CVE-2022-31593 HIGH
8.8 Jul 12

SAP Business One client - version 10.0 allows an attacker with low privileges, to inject code that can be executed by th

CVE-2021-33704 HIGH
8.8 Sep 15

The Service Layer of SAP Business One, version - 10.0, allows an authenticated attacker to invoke certain functions that

CVE-2021-33698 HIGH
8.8 Sep 15

SAP Business One, version - 10.0, allows an attacker with business authorization to upload any files (including script f

CVE-2023-31403 HIGH
8.0 Nov 14

SAP Business One installation - version 10.0, does not perform proper authentication and authorization checks for SMB sh

CVE-2022-35292 HIGH
7.8 Sep 13

In SAP Business One application when a service is created, the executable path contains spaces and isn’t enclosed within

CVE-2021-27616 HIGH
7.8 May 11

Under certain conditions, SAP Business One Hana Chef Cookbook, versions - 8.82, 9.0, 9.1, 9.2, 9.3, 10.0, used to instal

CVE-2023-33993 HIGH
7.5 Aug 08

B1i module of SAP Business One - version 10.0, application allows an authenticated user with deep knowledge to send craf

CVE-2022-35168 HIGH
7.5 Jul 12

Due to improper input sanitization of XML input in SAP Business One - version 10.0, an attacker can perform a denial-of-

CVE-2022-32249 HIGH
7.5 Jul 12

Under special integration scenario of SAP Business one and SAP HANA - version 10.0, an attacker can exploit HANA cockpit

CVE-2018-2458 HIGH
7.5 Sep 11

Under certain conditions, Crystal Report using SAP Business One, versions 9.2 and 9.3, connection type allows an attacke

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