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ibmIBM6AE6182614DFD43756B3B0793D8290B51F12EB643AF50D96AD165945AABC2F33
HistoryJan 17, 2022 - 6:26 p.m.

Security Bulletin: IBM Rational Build Forge 8.0.x is affected by Apache HTTP Server version used in it. (CVE-2021-33193)

2022-01-1718:26:42
www.ibm.com
15

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

0.001 Low

EPSS

Percentile

40.5%

Summary

IBM Rational Build Forge version 8.0.x is affected by CVE-2021-33193

Vulnerability Details

CVEID:CVE-2021-33193
**DESCRIPTION:**Apache HTTP Server is vulnerable to HTTP request splitting attacks, caused by improper input validation in HTTP/2 message processing. A remote attacker could exploit this vulnerability to inject arbitrary HTTP request and cause the browser to send 2 HTTP requests, once the URL is clicked. This would allow the attacker to perform further attacks, such as Web cache poisoning or cross-site scripting.
CVSS Base score: 6.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/207923 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Affected Products and Versions

Affected Product(s) Version(s)
Build Forge 8.0 - 8.0.0.20

Remediation/Fixes

You must download the fix pack specified in the following table and apply it.

Affected Supporting Product(s)

|

Remediation/Fix

—|—

IBM Rational Build Forge 8.0 to 8.0.0.20

|

Download IBM Rational Build Forge 8.0.0.21.

The fix includes Apache-HTTP-Server-2.4.52

Workarounds and Mitigations

None

CPENameOperatorVersion
rational build forge familyeq8.0.0.21

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

0.001 Low

EPSS

Percentile

40.5%