Snort
Vendor:
First CVE: May 5, 2003 · Active for 23 years
5
Total CVEs
More Total CVEs than 77% of tracked products
1.3
Avg CVEs / Year
Higher CVE frequency than 55% of tracked products
7.1
Avg CVSS
Higher Avg CVSS than 42% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Snort over time
Volume of CVEsAvg CVSS Base Score
First CVE
May 5, 2003
23 years ago
Most Recent CVE
Jun 2, 2006
7,357 days ago
CVE Severity & Scoring
Snort5 CVEs
40%
60%
All CVEs352,294 CVEs
45%
40%
11%
MediumHigh
Attack Vector
Local0 (0.0%)
Network0 (0.0%)
Unknown5 (100.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low0 (0.0%)
High0 (0.0%)
Unknown5 (100.0%)
User Interaction
None0 (0.0%)
Unknown5 (100.0%)
Required0 (0.0%)
Privileges Required
Low0 (0.0%)
High0 (0.0%)
None0 (0.0%)
Unknown5 (100.0%)
Top CVEs
Signals from CVEs in this product scope (5 CVEs).
5 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2005-3252HIGH Stack-based buffer overflow in the Back Orifice (BO) preprocessor for Snort before 2.4.3 allows remote attackers to execute arbitrary code via a crafted UDP packet. | Oct 18, 2005 | 7.5 | 81 | NO | YES |
CVE-2003-0209HIGH Integer overflow in the TCP stream reassembly module (stream4) for Snort 2.0 and earlier allows remote attackers to execute arbitrary code via large sequence numbers in packets, wh | May 5, 2003 | 10.0 | 56 | NO | YES |
CVE-2004-2652HIGH The DecodeTCPOptions function in decode.c in Snort before 2.3.0, when printing TCP/IP options using FAST output or verbose mode, allows remote attackers to cause a denial of servic | Dec 31, 2004 | 7.8 | 34 | NO | YES |
CVE-2006-2769MEDIUM The HTTP Inspect preprocessor (http_inspect) in Snort 2.4.0 through 2.4.4 allows remote attackers to bypass "uricontent" rules via a carriage return (\r) after the URL and before t | Jun 2, 2006 | 5.0 | 26 | NO | YES |
CVE-2006-0839MEDIUM The frag3 preprocessor in Sourcefire Snort 2.4.3 does not properly reassemble certain fragmented packets with IP options, which allows remote attackers to evade detection of certai | Feb 22, 2006 | 5.0 | 15 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (5 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
1 CVE
20.0% of CVEs· 97th percentile
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
4 CVEs
80.0% of CVEs· 93rd percentile
Social Chatter
Signals from CVEs in this product scope (5 CVEs).
Media Mentions
Signals from CVEs in this product scope (5 CVEs).
Top CNAs Publishing CVEs For Snort
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 2.4.4 | 1 | 5.0 | 10.8% | 0 | 1 |
| 2.4.3 | 2 | 5.0 | 6.1% | 0 | 1 |
| 2.4.2 | 2 | 6.3 | 47.2% | 0 | 2 |
| 2.4.1 | 2 | 6.3 | 47.2% | 0 | 2 |
| 2.4.0 | 1 | 7.5 | 83.6% | 0 | 1 |
| 2.4 | 1 | 5.0 | 10.8% | 0 | 1 |
| 2.2 | 1 | 7.8 | 11.2% | 0 | 1 |
| 2.1.3 | 1 | 7.8 | 11.2% | 0 | 1 |
| 2.1.1_rc1 | 1 | 7.8 | 11.2% | 0 | 1 |
| 2.1.0 | 1 | 7.8 | 11.2% | 0 | 1 |
| 1.9.1 | 1 | 10.0 | 38.6% | 0 | 1 |
| 1.9 | 1 | 10.0 | 38.6% | 0 | 1 |
| 1.8.7 | 1 | 10.0 | 38.6% | 0 | 1 |
| 1.8.6 | 1 | 10.0 | 38.6% | 0 | 1 |
| 1.8.5 | 1 | 10.0 | 38.6% | 0 | 1 |
| 1.8.4 | 1 | 10.0 | 38.6% | 0 | 1 |
| 1.8.3 | 1 | 10.0 | 38.6% | 0 | 1 |
| 1.8.2 | 1 | 10.0 | 38.6% | 0 | 1 |
| 1.8.1 | 1 | 10.0 | 38.6% | 0 | 1 |
| 1.8 | 1 | 10.0 | 38.6% | 0 | 1 |