CVE-2021-20453
CVSS V2 Medium 6.4
CVSS V3 High 8.2
Description
IBM WebSphere Application Server 8.0, 8.5, and 9.0 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 196648.
Overview
- CVE ID
- CVE-2021-20453
- Assigner
- psirt@us.ibm.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-04-20T12:15:12
- Last Modified Date
- 2022-05-03T16:04:40
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* | 1 | OR | 8.0.0.0 | 8.0.0.15 |
| cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* | 1 | OR | 8.5.0.0 | 8.5.5.20 |
| cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:* | 1 | OR | 9.0.0.0 | 9.0.5.8 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 6.4
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- LOW
- Base Score
- 8.2
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 4.2
References
| Reference URL | Reference Tags |
|---|---|
| https://www.ibm.com/support/pages/node/6445171 | Patch Vendor Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/196648 | VDB Entry Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20453 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20453 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-08 06:19:30 | Added to TrackCVE | |||
| 2022-12-06 02:09:25 | 2021-04-20T12:15Z | 2021-04-20T12:15:12 | CVE Published Date | updated |
| 2022-12-06 02:09:25 | 2022-05-03T16:04:40 | CVE Modified Date | updated | |
| 2022-12-06 02:09:25 | Analyzed | Vulnerability Status | updated |