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ibmIBM5B764D011AFC28077007033EDE6796277192929BDB57FDDB03D31274A2F5A9FF
HistoryDec 14, 2021 - 11:20 a.m.

Security Bulletin: App Connect Professional is affected by Bouncy Castle vulnerability.

2021-12-1411:20:10
www.ibm.com
8

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

35.4%

JSON

Summary

App Connect Professional have addressed the following vulnerability reported in Bouncy Castle.

Vulnerability Details

CVEID:CVE-2020-26939
**DESCRIPTION:**Legion of the Bouncy Castle BC and Legion of the Bouncy Castle BC-FJA could allow a remote attacker to obtain sensitive information, caused by observable differences in behavior to rrror inputs in org.bouncycastle.crypto.encodings.OAEPEncoding. By using the OAEP Decoder to send invalid ciphertext that decrypts to a short payload, a remote attacker could exploit this vulnerability to obtain sensitive information and use this information to launch further attacks against the affected system.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/191108 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

Affected Product(s) Version(s)
App Connect Professional v 7.5.4.0

Remediation/Fixes

[App](<7540 Fixcentral link> “App” ) Connect Professional 7.5.4.0 LI82141 7540 Fixcentral link

Workarounds and Mitigations

None

CPENameOperatorVersion
app connect professionaleq7.5.40

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5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

35.4%

JSON
Related for 5B764D011AFC28077007033EDE6796277192929BDB57FDDB03D31274A2F5A9FF
github1ibm12veracode1osv2cve1openvas1nessus1prion1ubuntucve1debian1debiancve1