CVE-2021-27612Network attack vector

Credential phishing via undisclosed malicious-site redirect

Published May 11, 2021 · Updated Aug 3, 2024

Open redirect in SAP GUI for Windows 7.60 PL9 and earlier and 7.70 PL0 allows remote attackers to redirect users to malicious websites. SAP has not disclosed the affected component, triggering input, or validation failure that causes the client to forward the user. Exploitation requires user interaction; the destination can deliver malware or impersonate a trusted site to steal entered credentials.

CVSS severity6.1
Medium
EPSS probability0.62%
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

Open redirect in SAP GUI for Windows 7.60 PL9 and earlier and 7.70 PL0 allows remote attackers to redirect users to malicious websites. SAP has not disclosed the affected component, triggering input, or validation failure that causes the client to forward the user. Exploitation requires user interaction; the destination can deliver malware or impersonate a trusted site to steal entered credentials.

The record

CVE
CVE-2021-27612
Published
May 11, 2021
Updated
Aug 3, 2024
Vendor
SAP SE
Product
SAP GUI for Windows
Classifications
CWE-601, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 11, 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

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=< 7.60 PL10
  2. Affected versionversion=< 7.70 PL1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

SAP SE · SAP GUI for Windowsversion=< 7.60 PL10; version=< 7.70 PL1

Published CVSS scores

3.4SAP SECVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N
6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.8NVDAV:N/AC:M/Au:N/C:P/I:P/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-601URL Redirection to Untrusted Site ('Open Redirect')
T1204.001Malicious Link

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