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CVE-2020-3333

15
FAUCET Score

CVE-2020-3333 describes an authentication bypass vulnerability in the API of Cisco Application Services Engine Software, allowing unauthenticated, remote attackers to modify event policies. This medium-severity vulnerability (CVSS 5.3) requires no user interaction and could lead to unauthorized policy updates. While no public exploit code or active exploitation has been observed, and community discussion is minimal, organizations using Cisco Application Policy Infrastructure Controller or Application Services Engine should be aware of this risk.

Impacted Technologies

VendorProductVersion(s)CPE
1.1\(0c\)CPE matchmatch criteria
cpe:2.3:a:cisco:application_policy_infrastructure_controller:1.1\(0c\):*:*:*:*:*:*:*
< 1.1.2.20CPE matchmatch criteria
cpe:2.3:a:cisco:application_services_engine:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.04%
Probability of exploitation in next 30 days
EPSS Percentile
60.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0104 is in the 38th percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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-APIC-EPU-F8y5kUOP
PatchVendor Advisory