CVE-2021-27635
CVSS V2 Medium 5.5
CVSS V3 Medium 6.5
Description
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.
Overview
- CVE ID
- CVE-2021-27635
- Assigner
- cna@sap.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-06-09T14:15:09
- Last Modified Date
- 2021-11-04T13:07:36
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:sap:netweaver_application_server_for_java:7.20:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:netweaver_application_server_for_java:7.30:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:netweaver_application_server_for_java:7.31:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:netweaver_application_server_for_java:7.40:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:sap:netweaver_application_server_for_java:7.50:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5.5
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.2
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://launchpad.support.sap.com/#/notes/3053066 | Permissions Required Vendor Advisory |
| https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999 | Vendor Advisory |
| http://seclists.org/fulldisclosure/2021/Oct/28 | Mailing List Patch Third Party Advisory |
| http://packetstormsecurity.com/files/164592/SAP-JAVA-NetWeaver-System-Connections-XML-Injection.html | Patch Third Party Advisory VDB Entry |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-27635 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27635 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:48:26 | Added to TrackCVE | |||
| 2022-12-05 03:57:36 | 2021-06-09T14:15Z | 2021-06-09T14:15:09 | CVE Published Date | updated |
| 2022-12-05 03:57:36 | 2021-11-04T13:07:36 | CVE Modified Date | updated | |
| 2022-12-05 03:57:36 | Analyzed | Vulnerability Status | updated |