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7.5

IBM QRadar Network Security may use weaker encryption

CVE-2017-1491 · published 9 years ago
Summary

IBM QRadar Network Security version 5.4 can negotiate security settings but does not always pick the strongest option both sides support. This could allow data to be protected with a less secure algorithm than possible. Update the product or configure it to require the strongest algorithms available.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm qradar_network_security 5.4
cpe:2.3:a:ibm:qradar_network_security:5.4:*:*:*:*:*:*:*
Original advisory text
IBM QRadar Network Security 5.4 supports interaction between multiple actors and allows those actors to negotiate which algorithm should be used as a protection mechanism such as encryption or auth...
IBM QRadar Network Security 5.4 supports interaction between multiple actors and allows those actors to negotiate which algorithm should be used as a protection mechanism such as encryption or authentication, but it does not select the strongest algorithm that is available to both parties. IBM X-Force ID: 128689.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.5 High
Exploitation
1% chance of attack within 30 days
Timeline
Published5 Sep 2017
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2017-1491 · NVD
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