Vulnerability Details : 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.
Published 2021-06-09 14:15:09
Updated 2021-11-04 13:07:37
Source SAP SE
View at NVD,   CVE.org
Vulnerability category: XML external entity (XXE) injection

Exploit prediction scoring system (EPSS) score for CVE-2021-27635

EPSS FAQ
0.33%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-27635

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.5
 MEDIUM AV:N/AC:L/Au:S/C:P/I:N/A:P
8.0
4.9
 NIST
9.0
 CRITICAL CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H
2.3
6.0
 SAP SE
6.5
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
1.2
5.2
 NIST

CWE ids for CVE-2021-27635

  • 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.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-27635

Products affected by CVE-2021-27635

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