Vulnerability Details : CVE-2020-4462
IBM Sterling External Authentication Server 6.0.1, 6.0.0, 2.4.3.2, and 2.4.2 and IBM Sterling Secure Proxy 6.0.1, 6.0.0, 3.4.3, and 3.4.2 are vulnerable to an 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: 181482.
Vulnerability category: XML external entity (XXE) injection
Products affected by CVE-2020-4462
- cpe:2.3:a:ibm:sterling_secure_proxy:3.4.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:sterling_secure_proxy:3.4.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:sterling_secure_proxy:6.0.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:sterling_secure_proxy:6.0.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:sterling_external_authentication_server:2.4.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:sterling_external_authentication_server:2.4.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:sterling_external_authentication_server:6.0.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:sterling_external_authentication_server:6.0.1.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-4462
0.30%
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-2020-4462
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:P |
10.0
|
4.9
|
NIST | |
|
8.2
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L |
3.9
|
4.2
|
IBM Corporation | |
|
8.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L |
3.9
|
4.2
|
NIST |
CWE ids for CVE-2020-4462
-
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-2020-4462
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/181482
IBM Secure External Authentication Server and IBM Sterling Secure Proxy XML external entity injection CVE-2020-4462 Vulnerability ReportVDB Entry;Vendor Advisory
-
https://www.ibm.com/support/pages/node/6249317
Security Bulletin: XML External Entity Injection (XXE) Vulnerability Affects IBM Secure External Authentication Server (CVE-2020-4462)Vendor Advisory
-
https://www.ibm.com/support/pages/node/6249331
Security Bulletin: XML External Entity Injection (XXE) Vulnerability Affects IBM Secure Proxy (CVE-2020-4462)Vendor Advisory
Jump to