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Fencer Intel
medium 5.3

CVE-2020-4159 json

IBM QRadar Network Security 5.4.0 and 5.5.0 discloses sensitive information to unauthorized users which could be used to mount further atta…

published 4y ago modified 4mo ago also EUVD-2020-25406

cvss
5.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

IBM QRadar Network Security 5.4.0 and 5.5.0 discloses sensitive information to unauthorized users which could be used to mount further attacks against the system. IBM X-Force ID: 174339.

Patch / fix

Is CVE-2020-4159 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 5.3 CVSS:3.0/C:L/AV:N/AC:L/I:N/PR:N/S:U/A:N/UI:N/RC:C/RL:O/E:U
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • IBM QRadar Network Security

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel 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.