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CVE-2020-4660

15
FAUCET Score

CVE-2020-4660 is a timing side-channel vulnerability affecting IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0, which could allow an attacker to obtain sensitive information. With a CVSS score of 5.3 (Medium), this vulnerability has an adjacent attack vector and high confidentiality impact, but requires high attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
9.0.7.0CPE matchmatch criteria
cpe:2.3:a:ibm:security_access_manager:9.0.7.0:*:*:*:*:*:*:*
10.0.0CPE matchmatch criteria
cpe:2.3:a:ibm:security_verify_access:10.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.46%
Probability of exploitation in next 30 days
EPSS Percentile
37.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0046 is in the 89th percentile among its peer group of 1,749 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/186140
VDB Entry
ibm.com / support/pages/node/6346619
Vendor Advisory