CVE-2020-4462

Severity Score

8.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

IBM Sterling External Authentication Server versiones 6.0.1, 6.0.0, 2.4.3.2 y 2.4.2 e IBM Sterling Secure Proxy versiones 6.0.1, 6.0.0, 3.4.3 y 3.4.2, son vulnerables a un ataque de tipo XML External Entity Injection (XXE) al procesar datos XML. Un atacante remoto podría explotar esta vulnerabilidad para exponer información confidencial o consumir recursos de memoria. IBM X-Force ID: 181482

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-12-30 CVE Reserved
2020-07-16 CVE Published
2024-05-19 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-611: Improper Restriction of XML External Entity Reference

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://exchange.xforce.ibmcloud.com/vulnerabilities/181482	2020-07-22
https://www.ibm.com/support/pages/node/6249317	2020-07-22
https://www.ibm.com/support/pages/node/6249331	2020-07-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ibm Search vendor "Ibm"		Sterling External Authentication Server Search vendor "Ibm" for product "Sterling External Authentication Server"				2.4.2.0 Search vendor "Ibm" for product "Sterling External Authentication Server" and version "2.4.2.0"		-		Affected
Ibm Search vendor "Ibm"		Sterling External Authentication Server Search vendor "Ibm" for product "Sterling External Authentication Server"				2.4.3.2 Search vendor "Ibm" for product "Sterling External Authentication Server" and version "2.4.3.2"		-		Affected
Ibm Search vendor "Ibm"		Sterling External Authentication Server Search vendor "Ibm" for product "Sterling External Authentication Server"				6.0.0.0 Search vendor "Ibm" for product "Sterling External Authentication Server" and version "6.0.0.0"		-		Affected
Ibm Search vendor "Ibm"		Sterling External Authentication Server Search vendor "Ibm" for product "Sterling External Authentication Server"				6.0.1.0 Search vendor "Ibm" for product "Sterling External Authentication Server" and version "6.0.1.0"		-		Affected
Ibm Search vendor "Ibm"		Sterling Secure Proxy Search vendor "Ibm" for product "Sterling Secure Proxy"				3.4.2.0 Search vendor "Ibm" for product "Sterling Secure Proxy" and version "3.4.2.0"		-		Affected
Ibm Search vendor "Ibm"		Sterling Secure Proxy Search vendor "Ibm" for product "Sterling Secure Proxy"				3.4.3.0 Search vendor "Ibm" for product "Sterling Secure Proxy" and version "3.4.3.0"		-		Affected
Ibm Search vendor "Ibm"		Sterling Secure Proxy Search vendor "Ibm" for product "Sterling Secure Proxy"				6.0.0.0 Search vendor "Ibm" for product "Sterling Secure Proxy" and version "6.0.0.0"		-		Affected
Ibm Search vendor "Ibm"		Sterling Secure Proxy Search vendor "Ibm" for product "Sterling Secure Proxy"				6.0.1.0 Search vendor "Ibm" for product "Sterling Secure Proxy" and version "6.0.1.0"		-		Affected