Netweaver Application Server AbapApplication · Sap

CVE-2023-27500

HIGH · 8.1 CVSS v3.1 Published 2023-03-14
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
87/100
Remediation priority · High
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
An attacker with non-administrative authorizations can exploit a directory traversal flaw in program SAPRSBRO to over-write system files. In this attack, no data can be read but potentially critical OS files can be over-written making the system unavailable.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

A directory traversal vulnerability in SAP program RSBRO allows authenticated users with non-administrative privileges to overwrite critical OS files on the server. The attack permits write-only access to system files, enabling denial of service by corrupting or overwriting essential operating system files.

MitigationApply vendor-supplied SAP security patches for RSBRO program and implement input validation controls to sanitize file path parameters before processing.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Netweaver Application Server AbapApplication
Affected:= 700= 701= 702= 731= 740= 750= 751= 752= 753= 754= 755= 756

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify if RSBRO program is deployed in your SAP system
    Access SAP transaction code SE38 or SE80 and search for program RSBRO, or use transaction SAAB to check if RSBRO is registered in the system. Alternatively, query table TRDIR or TADIR for object name RSBRO.
    Affected if RSBRO program exists in your system and is accessible to authenticated users
  2. Verify the SAP NetWeaver AS ABAP version
    Execute transaction SM51 or check system information via transaction SYSID. You can also use ABAP report RSVERSION or check system version table SAPVERSIONS. Compare your version against the affected list: 700, 701, 702, 731, 740, 750, 751, 752, 753, 754, 755, 756.
    Affected if Your installed NetWeaver AS ABAP version matches one of the listed affected versions
  3. Check which users have access to RSBRO transaction/program
    Use transaction SUIM to query for users assigned to RSBRO-related roles. Check profile S_RS_BRO (if it exists) or examine authorization objects S_PROGRAM or S_TRANSPRT for RSBRO usage permissions.
    Affected if Non-administrative users have authorization to execute RSBRO program

You are affected if RSBRO program is present in your SAP system, your NetWeaver ABAP version is one of the listed affected versions (700-756), and non-administrative users have access to execute the RSBRO program.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply vendor-supplied SAP security patches for RSBRO program and implement input validation controls to sanitize file path parameters before processing.

Fix this in Netweaver Application Server Abap Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA3.0 h
19.0 hours of engineering $3,380
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2023-27500 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-27500 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data