CVE Explorer
CVE-2026-20052
A vulnerability in the memory management handling for the Snort 3 Detection Engine of Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart.
This vulnerability is due to a logic error in memory management when a device is performing Snort 3 SSL packet inspection. An attacker could exploit this vulnerability by sending crafted SSL packets through an established connection to be parsed by the Sno
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unknown","product":"Cisco Secure Firewall Threat Defense (FTD) Software","vendor":"Cisco","versions":[{"status":"affected","version":"7.4.0"},{"status":"affected","version":"7.4.1"},{"status":"affected","version":"7.4.1.1"},{"status":"affected","version":"7.6.0"},{"status":"affected","version":"7.4.2"},{"status":"affected","version":"7.4.2.1"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:4d32d19282ac99c959d802c5f3afa20bb4c239783ae6a0acb449627dc9fca158 · sha256:0183010cf27d49b6… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:4d32d19282ac99c959d802c5f3afa20bb4c239783ae6a0acb449627dc9fca158 · sha256:0183010cf27d49b6… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-788","description":"Access of Memory Location After End of Buffer","lang":"en","type":"cwe"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:4d32d19282ac99c959d802c5f3afa20bb4c239783ae6a0acb449627dc9fca158 · sha256:0183010cf27d49b6… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"cisco-sa-ftd-snort3ssl-FBEKYXpH","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3ssl-FBEKYXpH"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:4d32d19282ac99c959d802c5f3afa20bb4c239783ae6a0acb449627dc9fca158 · sha256:0183010cf27d49b6… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.