IBM QRadar SIEM 7.4.2 GA to 7.4.2 Patch 1, 7.4.0 to 7.4.1 Patch 1, and 7.3.0 to 7.3.3 Patch 5 could allow a remote attacker to traverse dir…

published 2021-01-27 5y ago modified 2026-06-17 4mo ago also EUVD-2020-26036

cvss: 6.5; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.6%; EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits: 0; none known

IBM QRadar SIEM 7.4.2 GA to 7.4.2 Patch 1, 7.4.0 to 7.4.1 Patch 1, and 7.3.0 to 7.3.3 Patch 5 could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 189302.

Patch / fix

links 1

ibm.com/support/pages/node/6408862 advisory

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Exploit prediction

2.58% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.5	CVSS:3.0/I:N/UI:N/PR:L/AC:L/S:U/C:H/A:N/AV:N/RL:O/E:U/RC:C
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

IBM QRadar SIEM

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

ibm.com /support/pages/node/6408862
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/189302
vdb-entry, vendor-advisory

Sources

CVE List CVE-2020-4789
NVD CVE-2020-4789

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