CVE-2020-4462 - Improper Restriction of XML External Entity Reference

Severity

82%

Complexity

39%

Confidentiality

70%

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.

CVSS 3.1 Base Score 8.2. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L).

CVSS 2.0 Base Score 6.4. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:P).

Overview

Type

IBM Sterling Secure Proxy

First reported 4 years ago

2020-07-16 15:15:00

Last updated 4 years ago

2020-07-22 15:37:00

Affected Software

IBM Sterling Secure Proxy 3.4.2.0

3.4.2.0

IBM Sterling Secure Proxy 3.4.3.0

3.4.3.0

Stay updated

ExploitPedia is constantly evolving. Sign up to receive a notification when we release additional functionality.

Get in touch

If you'd like to report a bug or have any suggestions for improvements then please do get in touch with us using this form. We will get back to you as soon as we can.