What’s Vulnerable › Vulnerabilities

CVE-2020-4993

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-05 · updated 2026-06-17
• Weakness: CWE-22

Description

IBM QRadar SIEM 7.3 and 7.4 when decompressing or verifying signature of zip files processes data in a way that may be vulnerable to path traversal attacks. IBM X-Force ID: 192905.

Affected products

• IBM QRadar SIEM: from 7.3.0 before 7.3.3; from 7.4.0 before 7.4.2; 7.3.3, 7.3.3-fix_pack_1, 7.3.3-fix_pack_2, 7.3.3-fix_pack_3, 7.3.3-fix_pack_4, 7.3.3-fix_pack_5 (+5) — fixed in 7.3.3, 7.4.2

How to fix

Upgrade to a fixed version: IBM QRadar SIEM 7.3.3, 7.4.2. Check the vendor advisory for mitigations.

References

• https://exchange.xforce.ibmcloud.com/vulnerabilities/192905
• https://www.ibm.com/support/pages/node/6449672
• https://exchange.xforce.ibmcloud.com/vulnerabilities/192905
• https://www.ibm.com/support/pages/node/6449672

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