CVE-2021-27623

Name: CVE-2021-27623
Creator: NVD / NIST
Published: 2021-06-09T14:15:08.523+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2021-27623 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.9/10

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

EPSS Probability

0.86%

54.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sap	Netweaver As Internet Graphics Server	7.20
Sap	Netweaver As Internet Graphics Server	7.20ex2
Sap	Netweaver As Internet Graphics Server	7.20ext
Sap	Netweaver As Internet Graphics Server	7.53
Sap	Netweaver As Internet Graphics Server	7.81

References

https://launchpad.support.sap.com/#/notes/3021050Permissions Required, Vendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999Broken Link, Vendor Advisory
https://launchpad.support.sap.com/#/notes/3021050Permissions Required, Vendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999Broken Link, Vendor Advisory

Timeline

Published: Jun 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-27623?

How severe is CVE-2021-27623?

CVE-2021-27623 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2021-27623?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-27623?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST