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01 Record

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 to bypass some or all of the authentication checks and gain access to

HighPUBLISHEDCNA: ibm
CNA base score7.3 CVSS v3.xCVSS:3.0/I:L/UI:N/AC:L/PR:N/AV:N/C:L/S:U/A:L/RC:C/E:U/RL:O
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02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.24% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 68.8% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-10-15 12:40Z6 YR AGO
Last updated
2024-09-17 04:28Z2 YR AGO
Reserved
2019-12-30
Assigning CNA
ibm
Record state
PUBLISHED
Severity
High (CVSS 7.3)
CNA CVSS vector
CVSS:3.0/I:L/UI:N/AC:L/PR:N/AV:N/C:L/S:U/A:L/RC:C/E:U/RL:O
Weaknesses
No CWE assigned
Data version
5.1
Document digest
2f010a659c1bca7d8d7148078dbc118637719cce37a8b84b8fbd5abb012c6e12

05 Affected products

VendorProductVersionsPlatforms
IBMSecurity Verify Access10.0.0—
IBMSecurity Access Manager9.0.7—

06 References