CVE-2020-4499 : IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 could allow an unauthorized public Oauth client

IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 could allow an unauthorized public Oauth client to bypass some or all of the authentication checks and gain access to applications. IBM X-Force ID: 182216.

Published 2020-10-15 13:15:13

Updated 2021-07-21 11:39:24

Source IBM Corporation

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-4499

EPSS FAQ

0.22%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 59 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-4499

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.3	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	3.9	3.4	IBM Corporation
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: Low Availability: Low
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2020-4499

https://www.ibm.com/support/pages/node/6348046

Security Bulletin: Security vulnerabilities have been fixed in the IBM Security Access Manager and IBM Security Verify Access products
Patch;Vendor Advisory

CVEs referencing this url
https://exchange.xforce.ibmcloud.com/vulnerabilities/182216

IBM Security Access Manager security bypass CVE-2020-4499 Vulnerability Report
VDB Entry;Vendor Advisory

Products affected by CVE-2020-4499

IBM » Security Access Manager
Versions from including (>=) 9.0.7.0 and before (<) 9.0.7.2
cpe:2.3:a:ibm:security_access_manager:*:*:*:*:*:*:*:*
Matching versions
IBM » Security Verify Access
Versions from including (>=) 10.0.0 and before (<) 10.0.0.1
cpe:2.3:a:ibm:security_verify_access:*:*:*:*:*:*:*:*
Matching versions

Vulnerability Details : CVE-2020-4499

Exploit prediction scoring system (EPSS) score for CVE-2020-4499

CVSS scores for CVE-2020-4499

References for CVE-2020-4499

Products affected by CVE-2020-4499