Vulnerability Name:

CVE-2020-4706 (CCN-187194)

Assigned:2019-12-30
Published:2021-08-16
Updated:2022-07-12
Summary:IBM API Connect 5.0.0.0 through 5.0.8.10 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. By sending a specially crafted HTTP request, a remote attacker could exploit this vulnerability to inject HTTP HOST header, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-Force ID: 187194.
CVSS v3 Severity:5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N)
4.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
5.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N)
4.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:5.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-4706

Source: XF
Type: UNKNOWN
ibm-api-cve20204706-header-injection(187194)

Source: XF
Type: VDB Entry
ibm-api-cve20204706-header-injection (187194)

Source: CCN
Type: IBM Security Bulletin 6481879 (API Connect)
IBM API Connect on cloud is impacted by HTTP header injection vulnerability (CVE-2020-4706)

Source: CONFIRM
Type: Vendor Advisory
https://www.ibm.com/support/pages/node/6481879

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:api_connect:*:*:*:*:*:*:*:* (Version >= 5.0.0.0 and <= 5.0.8.10)

    • Configuration CCN 1:
  • cpe:/a:ibm:api_connect:5.0.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:api_connect:5.0.8.10:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ibm api connect *
    ibm api connect 5.0.0.0
    ibm api connect 5.0.8.10