CVE-2019-1832

mediumpriority · track · 31EPSS 0.016 · 76 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.65% (76th) EPSS

CVSS 5 · medium

Is it mine?

14 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · scored 2026-10-27

A vulnerability in the detection engine of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured access control policies. The vulnerability is due to improper validation of ICMP packets. An attacker could exploit this vulnerability by sending crafted ICMP packets to the affected device. A successful exploit could allow the attacker to bypass configured access control policies.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedCisco Secure Firewall Threat Defense (FTD) Softwarecisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.05.8mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Nsecondary · ENISA EU

v3.05.8mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Nsecondary · Cisco PSIRT US

v3.05.8mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Nsecondary · psirt@cisco.com USexploitability 3.9 · impact 1.4

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.15.8mediumAV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-693USprimaryCWE-693US

affected products (14)

Products and version ranges known to be affected.

Cisco Cisco Secure Firewall Threat Defense (FTD) Softwareall versionscisco_csafUS
Cisco Cisco Firepower Threat Defense Softwareunspecified → n/aenisa_euvdEU
Cisco Systems Inc. Cisco Firepower Management Center≤ 6.2.3.2fstec_bduRU
Cisco Systems Inc. Cisco Firepower Management Center≤ 6.2.3.1fstec_bduRU
Cisco Systems Inc. Cisco Firepower Management Center≤ 6.2.0.5fstec_bduRU
Cisco Systems Inc. Cisco Firepower Management Center≤ 6.2.0fstec_bduRU
Cisco Systems Inc. Cisco Firepower Management Center≤ 6.3.0fstec_bduRU
Cisco Systems Inc. Cisco Firepower Management Center≤ 6.2.3fstec_bduRU
cisco secure firewall management center= 6.2.0nvdUScpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*
cisco secure firewall management center= 6.2.0.5nvdUScpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*
cisco secure firewall management center= 6.2.3nvdUScpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*
cisco secure firewall management center= 6.2.3.1nvdUScpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*
cisco secure firewall management center= 6.2.3.2nvdUScpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*
cisco secure firewall management center= 6.4.0nvdUScpe:2.3:a:cisco:secure_firewall_management_center:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

cisco-sa-20190515-ftdde-poly-bypassCisco Firepower Threat Defense Software Detection Engine Policy Bypass Vulnerability2019-05-15csaf · cisco_csafUS
A vulnerability in the detection engine of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured access control policies. The vulnerability is due to improper validation of ICMP packets. An attacker could exploit this vulnerability by sending crafted ICMP packets to the affected device. A successful exploit could allow the attacker to bypass configured access control policies. There are no workarounds that address this vulnerability.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisco_csaf nvd NVD CVE.org MITRE

published 2019-05-16modified 2026-06-17

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+1059 more

references (12)

External citations — patches, advisories, analysis.

scry

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