CVE-2015-8954
9.8
CRITICAL · CVSS 3.0 · EPSS 3.3% (pctl 88)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
The MemcmpLowercase function in Suricata before 2.0.6 improperly excludes the first byte from comparisons, which might allow remote attackers to bypass intrusion-prevention functionality via a crafted HTTP request.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.26% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-264 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-03-20 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| openinfosecfoundation | suricata |
References
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=777523
- https://redmine.openinfosecfoundation.org/issues/1364
- https://suricata-ids.org/2015/01/15/suricata-2-0-6-available/
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=777523
- https://redmine.openinfosecfoundation.org/issues/1364
- https://suricata-ids.org/2015/01/15/suricata-2-0-6-available/
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