CVE-2021-20517
CVSS V2 Medium 6.5
CVSS V3 High 8.8
Description
IBM WebSphere Application Server Network Deployment 8.5 and 9.0 could allow a remote authenticated attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to read and delete arbitrary files on the system. IBM X-Force ID: 198435.
Overview
- CVE ID
- CVE-2021-20517
- Assigner
- psirt@us.ibm.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-06-07T14:15:07
- Last Modified Date
- 2021-06-10T18:02:45
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:ibm:websphere_application_server_nd:*:*:*:*:*:*:*:* | 1 | OR | 8.5.0.0 | 8.5.5.20 |
| cpe:2.3:a:ibm:websphere_application_server_nd:*:*:*:*:*:*:*:* | 1 | OR | 9.0.0.0 | 9.0.5.8 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.5
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://www.ibm.com/support/pages/node/6456955 | Patch Vendor Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/198435 | VDB Entry Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20517 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20517 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:12:04 | Added to TrackCVE | |||
| 2022-12-05 03:38:31 | 2021-06-07T14:15Z | 2021-06-07T14:15:07 | CVE Published Date | updated |
| 2022-12-05 03:38:31 | 2021-06-10T18:02:45 | CVE Modified Date | updated | |
| 2022-12-05 03:38:31 | Analyzed | Vulnerability Status | updated |