CVE-2023-28763Network attack vector

Authenticated service interruption via crafted request parameters

Published Apr 11, 2023 · Updated Feb 7, 2025

Resource exhaustion in SAP NetWeaver AS for ABAP and ABAP Platform allows remote authenticated users to interrupt service via crafted requests. SAP has disclosed only that certain request parameters consume enough server resources to make the service unavailable; the affected operation and resource are not public. A non-administrative account is required, no user interaction is needed, and the reported impact is a network service interruption without data exposure or modification.

CVSS severity6.5
Medium
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

Resource exhaustion in SAP NetWeaver AS for ABAP and ABAP Platform allows remote authenticated users to interrupt service via crafted requests. SAP has disclosed only that certain request parameters consume enough server resources to make the service unavailable; the affected operation and resource are not public. A non-administrative account is required, no user interaction is needed, and the reported impact is a network service interruption without data exposure or modification.

The record

CVE
CVE-2023-28763
Published
Apr 11, 2023
Updated
Feb 7, 2025
Vendor
SAP SE
Product
SAP NetWeaver AS for ABAP and ABAP Platform
Classifications
CWE-400, T1499.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 11, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 7, 2025Record 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=740
  2. Affected versionversion=750
  3. Affected versionversion=751
  4. Affected versionversion=752
  5. Affected versionversion=753
  6. Affected versionversion=754
  7. Affected versionversion=755
  8. Affected versionversion=756
  9. Affected versionversion=757
  10. Affected versionversion=791

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

SAP SE · SAP NetWeaver AS for ABAP and ABAP Platformversion=740; version=750; version=751; version=752; version=753; version=754; version=755; version=756; version=757; version=791

Published CVSS scores

6.5SAP SECVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/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-400Uncontrolled Resource Consumption
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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