CVE-2015-8954: openinfosecfoundation suricata
CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2015-8954DEBIAN-CVE-2015-8954
Published 20-03-2017Last modified 06-08-2024
Vulnerability summary
CVE-2015-8954 is a critical (CVSS 9.8) vulnerability in openinfosecfoundation suricata. EPSS estimates a 3.26% chance of exploitation in the next 30 days, higher than 88.2% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
3.26%
0%100%
Low · +0.22 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 20-03-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.26%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
+0.22 pp
From 3.04% on 21-09-2026
21-09-202621-10-2026
EPSS score3.26%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- suricata< 2.0.6-1
Openinfosecfoundation1 product
- suricata≤ 2.0.5
Ubuntu1 product
- suricata< 3.0-1
3 vendors · 3 products
References
6 links- suricata-ids.org/2015/01/15/suricata-2-0-6-available/X Refsource CONFIRMRelease NotesVendor Advisory
