Buffer overflow in SAP Netweaver As Internet Graphics Server
CVE-2021-27623
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- SAP Netweaver As Internet Graphics Server — versions 7.20, 7.20ex2, 7.20ext
- SAP Se Internet Graphics Service — versions < 7.20, < 7.20EXT, < 7.53
Weakness classification (CWE)
References
- wiki.scn.sap.com/wiki/pages/viewpage.action (Broken Link, Vendor Advisory)
- launchpad.support.sap.com/ (Permissions Required, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-27623?
- CVE-2021-27623 is a medium-severity vulnerability in SAP Netweaver As Internet Graphics Server, classified under Out-of-bounds Write. CVSS score: 5.9/10. Published 2021-06-09.
- How severe is CVE-2021-27623?
- Medium severity. CVSS v3 base score is 5.9 out of 10.