CVE-2021-27623

MEDIUM

5.9

CVSS Score

Published: June 9, 2021 at 12:00 AM UTC

Updated: June 17, 2026 at 03:45 AM UTC

1 product affected across 1 vendorNetweaver As Internet Graphics Server

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Severity

MEDIUM5.9

Exploit prediction

EPSS 0.9%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Netweaver As Internet Graphics Server · SAP

95%

v < 7.20v < 7.20EXTv < 7.20_EX2v < 7.53v < 7.817.20 7.20ex2 7.20ext 7.53 7.81

Affected range stops below 7.20, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.20EXT, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.20_EX2, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.53, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.81, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Permissions RequiredVendor Advisory

Source: [email protected]

https://launchpad.support.sap.com/#/notes/3021050

x_refsource_MISCBroken LinkVendor Advisory

Source: [email protected]

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999

CVSS

5.9MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-787

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