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Cisco

Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability

CVE-2026-20133

What this means

This is rated medium severity (6.5 out of 10). It is on the known-exploited catalogue, which means attacks using it have already been seen. Ask IT whether Cisco Catalyst Sd Wan Manager is in your estate.

Full vendor description

A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.

Scoring and exploitation

6.5/ 10
CVSS 3.1 base scoreMedium

Exploitable over the network with a low-privilege account, and no one has to click or open anything. High impact on confidentiality.

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

Exploitability

Longer bar: easier to attack

Attack vectorNetworkAV:N
Attack complexityLowAC:L
Privileges requiredLowPR:L
User interactionNoneUI:N
ScopeUnchangedS:U

Impact

Longer bar: more harm

ConfidentialityHighC:H
IntegrityNoneI:N
AvailabilityNoneA:N
Elevated attack likelihood (~35.3% in 30 days)Model estimate (): a probability signal, not confirmed exploitation
Exploited in the wild
Yes — confirmed exploitation (US CISA )
Not reported
Listed product
Cisco Catalyst SD-WAN Manager

Weaknesses

CWE-200

Affected products ()

  • Cisco Catalyst Sd Wan Manager
Show the raw CPE strings (2)
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.6:*:*:*:*:*:*:*

References

2 links from the CVE record, grouped by site; the vendor's advisory comes first.

Related feed events

  • Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability

    Type Vulnerability

    Cisco Catalyst SD-WAN Manager contains an exposure of sensitive information to an unauthorised actor vulnerability that could allow remote attackers to view sensitive information on affected systems.

    Next step: Confirm whether Cisco Catalyst SD-WAN Manager is in your estate.

    Who's reporting

    1 of 3 perspectives

    Official authority: Official 1Vendor statement missing. no VendorResearcher coverage missing. no Researcher1 signal

    Only official coverage so far. Treat as an early signal.

    Cisco Catalyst SD-WAN Manager
    CVE-2026-20133