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Fencer Vulns
high 8.4

CVE-2020-4270 json

IBM QRadar 7.3.0 to 7.3.3 Patch 2 could allow a local user to gain escalated privileges due to weak file permissions.

published 2020-04-15 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25517

cvss
8.4
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 42%
public exploits
0
none known

Summary

IBM QRadar 7.3.0 to 7.3.3 Patch 2 could allow a local user to gain escalated privileges due to weak file permissions. IBM X-ForceID: 175846.

Patch / fix

  • ibm qradar_security_information_and_event_manager 7.3.3

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • seclists.org http://seclists.org/fulldisclosure/2020/Apr/38 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/157335/QRadar-Community-Edition-7.3.1.6-Insecure-File-Permissions.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 8.4 CVSS:3.0/AV:L/UI:N/AC:L/PR:N/C:H/S:U/A:H/I:H/RL:O/E:U/RC:C
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 8.4 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • IBM Qradar

Classification

Weakness
  • CWE-276 Incorrect Default Permissions

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.