CWE
787 20
Advisory Published
Updated

CVE-2021-27623: Input Validation

First published: Wed Jun 09 2021(Updated: )

SAP Internet Graphics Service, versions - 7.20,7.20EXT,7.53,7.20_EX2,7.81, allows an unauthenticated attacker after retrieving an existing system state value can submit a malicious IGS request over a network which due to insufficient input validation in method CXmlUtility::CheckLength() which will trigger an internal memory corruption error in the system causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.

Credit: cna@sap.com

Affected SoftwareAffected VersionHow to fix
SAP Internet Graphics Server=7.20
SAP Internet Graphics Server=7.20ex2
SAP Internet Graphics Server=7.20ext
SAP Internet Graphics Server=7.53
SAP Internet Graphics Server=7.81

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2021-27623?

    CVE-2021-27623 has been classified as a high severity vulnerability due to its potential to allow unauthenticated access to critical system functions.

  • How do I fix CVE-2021-27623?

    To fix CVE-2021-27623, apply the latest security patches released by SAP for the affected Netweaver versions.

  • Which versions are affected by CVE-2021-27623?

    CVE-2021-27623 affects SAP Internet Graphics Service versions 7.20, 7.20EXT, 7.53, 7.20_EX2, and 7.81.

  • Can CVE-2021-27623 be exploited remotely?

    Yes, CVE-2021-27623 can be exploited remotely by an attacker who can send specially crafted requests to the vulnerable server.

  • What type of attacks can result from CVE-2021-27623?

    CVE-2021-27623 can lead to denial of service attacks due to insufficient input validation in the affected methods.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203