CVE-2020-4462 — XML External Entity (XXE) Injection in IBM External Authentication Server

CWE-611 — XML External Entity (XXE) Injection3 documents3 sources
Severity
8.2HIGHNVD
EPSS
1.0%
top 23.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
IBM External Authentication ServerIBM Sterling External Authentication ServerIBM Sterling Secure Proxy
Timeline
PublishedJul 16
Latest updateMay 24

Description

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:LExploitability: 3.9 | Impact: 4.2

Affected Packages5 packages

▶CVEListV5ibm/sterling_secure_proxy6 versions+5
▶NVDibm/sterling_secure_proxy4 versions+3
▶CVEListV5ibm/external_authentication_server6.0, 6.0.1+1

🔴Vulnerability Details

2
GHSA
GHSA-4p7q-hvhp-3r8p: IBM Sterling External Authentication Server 6↗2022-05-24
▶
CVEList
CVE-2020-4462: IBM Sterling External Authentication Server 6↗2020-07-16
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