CVE-2019-18625
An issue was discovered in Suricata 5.0.0. It was possible to bypass/evade any tcp based signature by faking a closed TCP session using an evil server. After the TCP SYN packet, it is possible to
02 Description
An issue was discovered in Suricata 5.0.0. It was possible to bypass/evade any tcp based signature by faking a closed TCP session using an evil server. After the TCP SYN packet, it is possible to
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.72% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 77.0% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-01-06 20:09Z6 YR AGO
- Last updated
- 2024-08-05 01:54Z2 YR AGO
- Reserved
- 2019-10-29
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 9d67527da73e554a4746999fc37002ba79912db463068a69811a5c174eb15e96
05 Affected products
06 References
- redmine.openinfosecfoundation.orghttps://redmine.openinfosecfoundation.org/issues/3286
- github.comhttps://github.com/OISF/suricata/commit/9f0294fadca3dcc18c919424242a41e01f3e8318
- redmine.openinfosecfoundation.orghttps://redmine.openinfosecfoundation.org/issues/3395
- github.comhttps://github.com/OISF/suricata/commit/ea0659de7640cf6a51de5bbd1dbbb0414e4623a0
- lists.debian.org[debian-lts-announce] 20200130 [SECURITY] [DLA 2087-1] suricata security updatehttps://lists.debian.org/debian-lts-announce/2020/01/msg00032.html
07 Fixed in
Debian 13
- suricata Fixed in 1:5.0.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- suricata Fixed in 1:5.0.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- suricata No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- suricata No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.