Business ClientApplication · Sap

CVE-2020-6228

HIGH · 7.5 CVSS v3.1 Published 2020-04-14
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
84/100
Remediation priority · High
Remotely reachable No privileges 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
SAP Business Client, versions 6.5, 7.0, does not perform necessary integrity checks which could be exploited by an attacker under certain conditions to modify the installer.

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 · moderate confidence

SAP Business Client versions 6.5 and 7.0 lack proper integrity checks in their installer mechanism, allowing an attacker to potentially modify the installer package under certain conditions. This enables tampering with the software during distribution or download.

MitigationUsers should verify installer integrity using official checksums or digital signatures before execution. SAP would need to implement cryptographic integrity verification (e.g., code signing with signature validation) into their installer framework.

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
Business ClientApplication
Affected:= 6.0= 6.5= 7.0

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
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

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

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 installed SAP Business Client version
    Open SAP Business Client and navigate to Help > About SAP Business Client, or check the installed programs list in Windows Control Panel > Programs and Features to locate the exact version number
    Affected if The installed version is 6.0, 6.5, or 7.0 as listed in the affected versions
  2. Locate the original installer package
    Find the original installer executable (.exe or .msi) that was used to install SAP Business Client, or download a fresh copy from the official SAP Support Portal
    Affected if The original installer file is available for inspection
  3. Verify digital signature on installer file
    Right-click the installer executable, select Properties, and inspect the Digital Signatures tab to check if there is a valid signature from SAP
    Affected if The installer has no digital signature or shows an invalid/broken signature
  4. Check for checksum file
    Look for a accompanying .md5, .sha1, .sha256, or .asc checksum signature file alongside the downloaded installer in the official download location
    Affected if No checksum or signature file accompanies the installer, or the checksum cannot be verified against an official source
  5. Inspect installer integrity validation
    Attempt to modify a minor byte in the installer file and re-run the installer to see if it detects tampering or halts with an integrity error (this should only be done in a test environment with a backup)
    Affected if The installer runs successfully after the file has been modified, indicating no integrity validation occurs

You are affected if SAP Business Client version 6.0, 6.5, or 7.0 is installed and the installer package lacks verifiable digital signatures or checksum validation to detect tampering.

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

Users should verify installer integrity using official checksums or digital signatures before execution. SAP would need to implement cryptographic integrity verification (e.g., code signing with signature validation) into their installer framework.

Fix this in Business Client Scoped from the published advisory
  • Consultation4.0 h
  • Implementation16.0 h
  • Testing8.0 h
  • Review / QA4.0 h
32.0 hours of engineering $5,600
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Scan for this in your stack

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dbcve dependency scanner

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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-2020-6228 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