CVE-2021-1580

highpriority · track · 30EPSS 0.018 · 78 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.78% (78th) EPSS

CVSS 9 · high

Is it mine?

12 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · scored 2026-10-27

Multiple vulnerabilities in the web UI and API endpoints of Cisco Application Policy Infrastructure Controller (APIC) or Cisco Cloud APIC could allow a remote attacker to perform a command injection or file upload attack on an affected system. For more information about these vulnerabilities, see the Details section of this advisory.

remediations

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

A vendor fix is available.

FixedCisco Application Policy Infrastructure Controller (APIC)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com

cvss

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

9.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–9

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8 · impact 10

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 5.9

v3.16.5mediumAV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Nsecondary · psirt@cisco.com USexploitability 1.2 · impact 5.2

v3.16.6mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Nsecondary · Cisco PSIRT US

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-77USprimaryCWE-284USCWE-284USCWE-78US

affected products (12)

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. Application Policy Infrastructure Controller3.2 → 3.2(10e)fstec_bduRU
Cisco Systems Inc. Application Policy Infrastructure Controller4.0 → 4.2(6h)fstec_bduRU
Cisco Systems Inc. Application Policy Infrastructure Controller5.0 → 5.1(3e)fstec_bduRU
Cisco Systems Inc. Application Policy Infrastructure Controller5.2 → 5.2(1g)fstec_bduRU
cisco application policy infrastructure controller< 3.2\(10e\)nvdUScpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:*
cisco application policy infrastructure controller4.0 → 4.2\(6h\)nvdUScpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:*
cisco application policy infrastructure controller5.0 → 5.1\(3e\)nvdUScpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:*
cisco cloud application policy infrastructure controller< 3.2\(10e\)nvdUScpe:2.3:a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:*
cisco cloud application policy infrastructure controller4.0 → 4.2\(6h\)nvdUScpe:2.3:a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:*
cisco cloud application policy infrastructure controller5.0 → 5.1\(3e\)nvdUScpe:2.3:a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

cisco-sa-capic-mdvul-HBsJBuvWCisco Application Policy Infrastructure Controller Command Injection and File Upload Vulnerabilities2021-08-25csaf · cisco_csafUS
Multiple vulnerabilities in the web UI and API endpoints of Cisco Application Policy Infrastructure Controller (APIC) or Cisco Cloud APIC could allow a remote attacker to perform a command injection or file upload attack on an affected system. For more information about these vulnerabilities, see the Details ["#details"] section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

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 2021-08-25modified 2026-06-17

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+4594 more

references (5)

External citations — patches, advisories, analysis.

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