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CVE-2021-27635

SAP NetWeaver AS for JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker authenticated as an administrator to connect over a network and submit a specially crafted XML file in the application because of missing XML Validation, this vulnerability enables attacker to fully compromise confidentiality by allowing them to read any file on the filesystem or fully compromise availability by causing the system to crash. The attack cannot be used to change any data so that there is no compromise as to integrity.

Data is provided by the National Vulnerability Database (NVD)
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 2.08% 0.824
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 6.5 1.2 5.2
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
nvd@nist.gov 5.5 8 4.9
AV:N/AC:L/Au:S/C:P/I:N/A:P
cna@sap.com 9 2.3 6
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H
CWE-611 Improper Restriction of XML External Entity Reference

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

http://seclists.org/fulldisclosure/2021/Oct/28
Patch
Third Party Advisory
Mailing List
https://launchpad.support.sap.com/#/notes/3053066
Vendor Advisory
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