Is CVE-2026-20210 exploitable?

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Is CVE-2026-20210 a false positive?

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How do I remediate CVE-2026-20210?

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CVE-2026-20210

is CVE-2026-20210real, exploitable, or a false positive? Here's the community verdict.

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signals

public sources

Exploited in wild

Not listed

CISA KEV

Base severity

5.4 Medium

CVSS

Exploitation prob.

0.2%

FIRST EPSS

Weakness

CWE-779

CWE

Moderate signals. Triage by your actual exposure and reachability.

baseline read

auto · not a community verdict

Low signal — verdict needed

Few public signals point to active risk. Whether a scanner hit here is a true or false positive depends on your version and config — community verdicts decide.

Based on CVSS · FIRST EPSS

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

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker with read-only permissions to modify configurations and perform unauthorized actions on an affected system. This vulnerability exists because of a failure to redact sensitive information within device configurations and templates. An attacker could exploit this vulnerability by elevating their read-only permissions to those of a high-privileged user. A successful exploit could allow the attacker to access or modify configuration settings within Cisco Catalyst SD-WAN Manager as a high-privileged user.

References

NVD MITRE CVE.org

Published May 14, 2026

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Same weakness: CWE-779.

CVE-2026-20209MED 5.4EPSS 0%
A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker with read-only permissions to elevate their privileges from low to high and perform actions as a high-privileged user. This vulnerability exists because sensitive session information is recorded in audit logs. An attacker could exploit this vulnerability by elevating their read-only permissions in Cisco Catalyst SD-WAN Manager to those of a high-privileged user. A successful exploit could allow the attacker to perform actions as a high-privileged user.

CVE-2026-20210

Community ground truth

Field notes & remediation

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