CVE-2023-0021Network attack vector

Sensitive-data exposure via reflected unencoded input

Published Mar 14, 2023 · Updated Feb 27, 2025

Reflected XSS in SAP NetWeaver 700, 701, 702, 731, 740, and 750 allows remote attackers to expose sensitive data via crafted input. Affected network endpoints place user-controlled input into generated content without sufficient encoding, allowing code to execute in a victim browser. Successful exploitation requires victim interaction and exposes data available within the application context.

CVSS severity6.1
Medium
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Reflected XSS in SAP NetWeaver 700, 701, 702, 731, 740, and 750 allows remote attackers to expose sensitive data via crafted input. Affected network endpoints place user-controlled input into generated content without sufficient encoding, allowing code to execute in a victim browser. Successful exploitation requires victim interaction and exposes data available within the application context.

The record

CVE
CVE-2023-0021
Published
Mar 14, 2023
Updated
Feb 27, 2025
Vendor
SAP SE
Product
SAP NetWeaver
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 14, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 27, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=700
  2. Affected versionversion=701
  3. Affected versionversion=702
  4. Affected versionversion=731
  5. Affected versionversion=740
  6. Affected versionversion=750

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

SAP SE · SAP NetWeaverversion=700; version=701; version=702; version=731; version=740; version=750

Published CVSS scores

6.1SAP SECVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo