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CVE detail

CVE-2026-20126

A vulnerability in Cisco Catalyst SD-WAN Manager could allow an authenticated, local attacker with low privileges to gain root privileges on the underlying operating system. This vulnerability is due to an insufficient user authentication mechanism in the REST API. An attacker could exploit this vulnerability by sending a request to the REST API of the affected system. A successful exploit could allow the attacker to gain root privileges on the underlying operating system.

CVSS 8.8 · HighBuzz score 28.9

Buzz score

Why this CVE is surfacing

Buzz score total 28.9

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 13.9 · diversity 15.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
13.9
3 evidence mentions in the snapshot
Diversity score
15.0
3 sources across 3 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
3 source links · newest first
  • Cisco Catalyst SD-WAN VulnerabilitiesCisco Security Advisories

    .com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v Security Impact Rating: Critical CVE: CVE-2026-20122,CVE-2026-20126,CVE-2026-20128,CVE-2026-20129,CVE-2026-20133

    vendorsec.cloudapps.cisco.comApr 22, 2026, 3:10 PM
  • Cisco’s widely deployed Catalyst 9300 Series enterprise switches have four security vulnerabilities, two of which could be chained to cause a denial-of-service outage, infrastructure security company Opswat has revealed. The two most operationally significant are CVE-2026-20114 and CVE-2026-20110, which the researchers found could be chained to make possible a dangerous privilege escalation. Opswat’s Unit 515 […]

    newswww.csoonline.comMar 25, 2026, 6:28 PM
  • No excerpt available.

    Vendor Advisorysec.cloudapps.cisco.comFeb 25, 2026, 5:25 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

Similar CVEs

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