CVE-2021-1581: cisco application_policy_infrastructure_controller Improper Access Control
Vulnerability summary
CVE-2021-1581 is a critical (CVSS 9.1) Improper Access Control vulnerability in cisco application_policy_infrastructure_controller. EPSS estimates a 1.14% chance of exploitation in the next 30 days, higher than 66.1% of scored vulnerabilities.
Timeline
- 25-08-2021PublishedVulnerability first disclosed.
- 07-11-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versions- CVE.orgCNA6.5MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:NDiffers
EPSS trend
Probability
1.14%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
0.00 pp
From 1.14% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco3 products
- application_policy_infrastructure_controller< 3.2\(10f\) | ≥ 4.0, < 4.2\(7l\) | ≥ 5.0, < 5.2\(1g\)
- cisco application policy infrastructure controller (apic)n/a
- cloud_application_policy_infrastructure_controller< 3.2\(10f\) | ≥ 4.0, < 4.2\(7l\) | ≥ 5.0, < 5.2\(1g\)
1 vendor · 3 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-mdvul-HBsJBuvWVendor AdvisoryX Refsource CISCOPatch