CVE-2020-3333

mediumpriority · track · 21OT risk · elevatedEPSS 0.010 · 64 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.04% (64th) EPSS

CVSS 5 · medium

Is it mine?

5 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 API of Cisco Application Services Engine Software could allow an unauthenticated, remote attacker to update event policies on an affected device. The vulnerability is due to insufficient authentication of users who modify policies on an affected device. An attacker could exploit this vulnerability by crafting a malicious HTTP request to contact an affected device. A successful exploit could allow the attacker to update event policies on the affected device.

remediations

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

No fix is available; mitigate or reduce exposure.

No fix availableCisco Application Policy Infrastructure Controller (APIC)cisco_csaf
No remediation is available at this time.

cvss

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

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

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

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · ENISA EU

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · psirt@cisco.com USexploitability 3.9 · impact 1.4

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · Cisco PSIRT US

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

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-306USprimaryCWE-306US

affected products (5)

Products and version ranges known to be affected.

Cisco Cisco Application Policy Infrastructure Controller (APIC)all versionscisco_csafUS
Cisco Cisco Application Policy Infrastructure Controller (APIC)≤ n/aenisa_euvdEU
Cisco Systems Inc. Cisco Application Services Engine≤ 1.1.2.20fstec_bduRU
cisco application policy infrastructure controller= 1.1(0c)nvdUScpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:*
cisco application services engine< 1.1.2.20nvdUScpe:2.3:a:cisco:application_services_engine:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

cisco-sa-APIC-EPU-F8y5kUOPCisco Application Services Engine Software Unauthenticated Event Policies Update Vulnerability2020-06-03csaf · cisco_csafUS
A vulnerability in the API of Cisco Application Services Engine Software could allow an unauthenticated, remote attacker to update event policies on an affected device. The vulnerability is due to insufficient authentication of users who modify policies on an affected device. An attacker could exploit this vulnerability by crafting a malicious HTTP request to contact an affected device. A successful exploit could allow the attacker to update event policies on the affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-APIC-EPU-F8y5kUOP ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-APIC-EPU-F8y5kUOP"]

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 2020-06-03modified 2026-06-17

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references (5)

External citations — patches, advisories, analysis.

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