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01 Record

CVE-2025-20217

Cisco Firepower Threat Defense Intrusion Detection Denial of Service Vulnerability

HighPUBLISHEDCNA: cisco
CNA base score8.6 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
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02 Description

Cisco Firepower Threat Defense Intrusion Detection Denial of Service Vulnerability

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.71% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 53.3% of scored records. A rank, not a probability.
NVD base score
8.6 (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:C/C:N/I:N/A:H
NVD analysis status
Deferred. 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
2025-08-14 16:28Z1 YR AGO
Last updated
2025-08-14 19:21Z1 YR AGO
Reserved
2024-10-10
Assigning CNA
cisco
Record state
PUBLISHED
Severity
High (CVSS 8.6)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Weaknesses
  • CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base
Data version
5.1
Document digest
e2b4fe3098c4b4c2f4a9f55f09404706cca65bed6f6083c60f4df8787c83111a

05 Affected products

VendorProductVersionsPlatforms
CiscoCisco Firepower Threat Defense Software7.1.0, 7.1.0.1, 7.2.0, 7.1.0.2, 7.2.0.1, 7.2.1, 7.3.0, 7.2.2, 7.2.3, 7.3.1, 7.1.0.3, 7.2.4, 7.2.5, 7.2.4.1, 7.3.1.1, 7.4.0, 7.2.5.1, 7.4.1, 7.2.6, 7.4.1.1, 7.2.7, 7.2.5.2, 7.3.1.2, 7.2.8, 7.6.0, 7.4.2, 7.2.8.1, 7.4.2.1, 7.2.9—

06 References