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Fencer Vulns
medium 5.3

CVE-2020-4660 json

IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 could allow an attacker to obtain sensitive using timing side chann…

published 2020-10-12 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25907

cvss
5.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 could allow an attacker to obtain sensitive using timing side channel attacks which could aid in further attacks against the system. IBM X-Force ID: 186140.

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 5.3 CVSS:3.0/AV:A/A:N/PR:N/UI:N/S:U/C:H/I:N/AC:H/RC:C/RL:O/E:U
NVD 3.1 5.3 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.0 5.3 CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 2.9 AV:A/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • IBM Security Access Manager
  • IBM Security Verify Access

Classification

Weakness

References

Sources

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.