A vulnerability in the API endpoints for Cisco DNA Center could allow an authenticated, remote attacker to gain access to sensitive information that should be restricted. The attacker must have valid device credentials. This vulnerability is due to improper access controls on API endpoints. An attacker could exploit the vulnerability by sending a specific API request to an affected application. A successful exploit could allow the attacker to obtain sensitive information about other users who are configured with higher privileges on the application.
CVE-2021-34782
MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence
Score 4.3 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 4.3; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 4.3Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.3
- EG Score
- 4.3(medium)
- EPSS
- 50.8%
- KEV
- Not listed
Published
October 6, 2021
Last Modified
July 23, 2025
References (2)
Frequently asked(5)
What is CVE-2021-34782?
CVE-2021-34782 is a medium vulnerability published on October 6, 2021. A vulnerability in the API endpoints for Cisco DNA Center could allow an authenticated, remote attacker to gain access to sensitive information that should be restricted. The attacker must have valid device credentials. This vulnerability is due to improper access controls on API endpoints. An…
When was CVE-2021-34782 disclosed?
CVE-2021-34782 was first published in the National Vulnerability Database on October 6, 2021, with the most recent update on July 23, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-34782 actively exploited?
CVE-2021-34782 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 50.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-34782?
CVE-2021-34782 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2021-34782?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-34782, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2021-34782
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