CVE-2021-33704Network attack vector

Authenticated abuse of restricted functions

Published Sep 15, 2021 · Updated Aug 3, 2024

Missing authorization in SAP Business One Service Layer 10.0 allows remote authenticated users to invoke restricted functions over the network. The Service Layer omits authorization checks for functions reserved for specific users, allowing authenticated callers to reach operations outside their assigned rights. The attacker must possess a valid account and can read, modify, or delete restricted data; exploitation does not require in-depth system knowledge.

CVSS severity8.8
High
EPSS probability0.61%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in SAP Business One Service Layer 10.0 allows remote authenticated users to invoke restricted functions over the network. The Service Layer omits authorization checks for functions reserved for specific users, allowing authenticated callers to reach operations outside their assigned rights. The attacker must possess a valid account and can read, modify, or delete restricted data; exploitation does not require in-depth system knowledge.

The record

CVE
CVE-2021-33704
Published
Sep 15, 2021
Updated
Aug 3, 2024
Vendor
SAP SE
Product
SAP Business One
Classifications
CWE-862, T1078
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 15, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 10.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

SAP SE · SAP Business Oneversion=< 10.0

Published CVSS scores

6.3SAP SECVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.5NVDAV:N/AC:L/Au:S/C:P/I:P/A:P
8.8NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1078Valid Accounts

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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