CVE-2020-4499 json
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 a…
published 2020-10-15 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25746
- cvss
- 7.3
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ibm security_access_manager 9.0.7.2
- ibm security_verify_access 10.0.0.1
- ibm.com/support/pages/node/6348046 advisory
Exploit prediction
1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.3 | 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 |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.0 | 7.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- IBM Security Verify Access
- IBM Security Access Manager
References
-
ibm.com
/support/pages/node/6348046
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/182216
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2020-4499
- NVD CVE-2020-4499
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.