CVE-2026-20188

nonepriority · track · 0EPSS 0.003 · 24 %ileDENLUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.31% (24th) EPSS
CVSS 0 · none
Is it mine?
4 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cert_bund · ncsc_nl

EPSS · scored 2026-10-27

Following the initial publication of the Security Advisory about a denial of service (DoS) condition in Cisco Crosswork Network Controller and Cisco Network Services Orchestrator (NSO), additional information has been made available to the Cisco Product Security Incident Response Team (PSIRT). Upon further analysis, the Cisco PSIRT has reclassified this issue as a customer-configurable, resource management issue rather than a security vulnerability.

01

cvss

Technical severity, 0–10. One row per scoring source.

7.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · none–high · 0–7.5

v3.10noneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Nsecondary · psirt@cisco.com USexploitability 3.9 · impact 0
v3.10noneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · NCSC-NL NL
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400US
04

affected products (4)

Products and version ranges known to be affected.

05

advisories (2)

Vendor and ecosystem advisories describing this.

  • NCSC-2026-0149Kwetsbaarheid verholpen in Cisco Crosswork Network ControllerNL2026-05-13csaf · ncsc_nlNL

    Cisco heeft een kwetsbaarheid verholpen in Cisco Crosswork Network Controller.

  • WID-SEC-W-2026-1390Cisco Network Services Orchestrator: Schwachstelle ermöglicht Denial of ServiceDeutsch2026-05-06csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Cisco Network Services Orchestrator ausnutzen, um einen Denial of Service Angriff durchzuführen.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcert_bundncsc_nlNVDCVE.orgMITRE
published 2026-05-06modified 2026-10-26
08

references (5)

External citations — patches, advisories, analysis.

scry

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