CVE-2020-4782 : IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote att

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system.

Published 2020-10-28 17:15:13

Updated 2020-10-30 15:46:48

Source IBM Corporation

View at NVD, CVE.org

Vulnerability category: Directory traversal

Products affected by CVE-2020-4782

IBM » Websphere Application Server »
Versions from including (>=) 8.5.0.0 and up to, including, (<=) 8.5.5.18
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*
Matching versions
IBM » Websphere Application Server »
Versions from including (>=) 7.0.0.0 and up to, including, (<=) 7.0.0.45
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*
Matching versions
IBM » Websphere Application Server »
Versions from including (>=) 8.0.0.0 and up to, including, (<=) 8.0.0.15
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*
Matching versions
IBM » Websphere Application Server »
Versions from including (>=) 9.0.0.0 and up to, including, (<=) 9.0.5.5
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*
Matching versions

Threat overview for CVE-2020-4782

Top countries where our scanners detected CVE-2020-4782

Top open port discovered on systems with this issue 9080

IPs affected by CVE-2020-4782 608

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2020-4782!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-4782

EPSS FAQ

0.29%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 70 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-4782

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:P/I:N/A:N	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
6.5	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	2.8	3.6	IBM Corporation
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2020-4782

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-4782

https://exchange.xforce.ibmcloud.com/vulnerabilities/189213

IBM WebSphere Application Server information disclosure CVE-2020-4782 Vulnerability Report
VDB Entry;Vendor Advisory
https://www.ibm.com/support/pages/node/6356083

Security Bulletin: WebSphere Application Server Admin Console is vulnerable to a directory traversal vulnerability (CVE-2020-4782)
Patch;Vendor Advisory