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CVE-2021-1580

25
FAUCET Score

CVE-2021-1580 describes multiple vulnerabilities in the web UI and API endpoints of Cisco Application Policy Infrastructure Controller (APIC) and Cisco Cloud APIC. These flaws, including command injection and file upload, allow a remote, authenticated attacker to compromise the affected systems. With a CVSS score of 7.2 (HIGH), successful exploitation could lead to high impact on confidentiality, integrity, and availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.2\(10e\)CPE matchmatch criteria
cpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:*
>= 4.0, < 4.2\(6h\)CPE matchmatch criteria
cpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:*
>= 5.0, < 5.1\(3e\)CPE matchmatch criteria
cpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:*
< 3.2\(10e\)CPE matchmatch criteria
cpe:2.3:a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:*
>= 4.0, < 4.2\(6h\)CPE matchmatch criteria
cpe:2.3:a:cisco:cloud_application_policy_infrastructure_controller:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.2
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.78%
Probability of exploitation in next 30 days
EPSS Percentile
75.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0178 is in the 71st percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

ciscopatch availablevia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-mdvul-HBsJBuvW
PatchVendor Advisory