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CVE-2023-31403· NVD / CVE Program· CNA sap

Improper Access Control vulnerability in SAP Business One product installation

SAP Business One installation - version 10.0, does not perform proper authentication and authorization checks for SMB shared folder. As a result, any malicious user can read and write to the SMB shared folder. Additionally, the files in the folder can be executed or be used by the installation process leading to considerable impact on confidentiality, integrity and availability.

HighCVSS 8.0 · v3.1—No exploit No fix recorded

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Published
Nov 13, 2023
Updated
Jun 17, 2026
EPSS
0.4% · 35th percentile
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Report tools

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Action score

32

Monitor

Low priority for now.

CVSS
32 / 40 · 8.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
8.0
CNA · sap
9.6
1.6 point gap

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
sapbusiness one

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • sap business one10.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (sap). Independent of NVD's CPE analysis and usually ahead of it.

  • SAP_SE SAP Business One

    • 10.0affected

Same product

sap: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-38180SAP Business One - version 10.0, allows an attacker to inject formulas when exporting data to Excel (CSV injection) due to improper sanitati
    40Plan
  • CVE-2016-6256SAP Business One for Android 1.2.3 allows remote attackers to conduct XML External Entity (XXE) attacks via crafted XML data in a request to
    40Plan
  • CVE-2022-31593SAP Business One client - version 10.0 allows an attacker with low privileges, to inject code that can be executed by the application.
    35Monitor
  • CVE-2021-33704The Service Layer of SAP Business One, version - 10.0, allows an authenticated attacker to invoke certain functions that would otherwise be
    35Monitor
  • CVE-2021-33698SAP Business One, version - 10.0, allows an attacker with business authorization to upload any files (including script files) without the pr
    35Monitor
  • CVE-2022-35292In SAP Business One application when a service is created, the executable path contains spaces and isn’t enclosed within quotes, leading to
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone on the same network segment can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Adjacent
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-863 · Incorrect Authorization

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records