Security readout for executives and security teams
Plain-English summary
Cisco found credential-protection weaknesses in Cisco Crosswork Planning during an internal review. A low-privileged, network-based attacker may exploit them without user interaction, potentially compromising sensitive information, system integrity, and availability. The supplied evidence does not identify exposed credentials or affected components in detail.
Executive priority
Treat this as an immediate remediation priority for internet-reachable or broadly accessible Crosswork Planning systems. Assign ownership, confirm inventory, consult Cisco's advisory, and schedule the supported hardening update promptly. Escalate any evidence of credential misuse to incident response.
Technical view
CVE-2026-20359 groups internally discovered insufficiently protected credential issues under CWE-522. It carries CVSS 3.1 score 9.9: network-accessible, low complexity, low privileges, no user interaction, changed scope, and high confidentiality, integrity, and availability impacts.
Likely exposure
Potential exposure includes Cisco Crosswork Planning versions 7.0.0 through 7.0.4, 7.1.0 through 7.1.2, and 7.2.0. Actual exposure depends on deployment, network reachability, accessible accounts, and Cisco's detailed advisory; the supplied data lists their status as unknown.
Exploitation context
The CVE is not listed as KEV in the supplied bundle, and no cited source states that active exploitation or public exploit code exists. This does not prove exploitation is absent. The low-privilege, network-based vector makes reachable affected deployments urgent to assess.
Researcher notes
The supplied record groups multiple credential-protection weaknesses into one CVE and does not describe credential types, vulnerable components, attack mechanics, fixed versions, indicators, or workarounds. Avoid assuming every listed deployment is exploitable. Use Cisco's advisory as the authoritative source for version-specific remediation and technical scope.
Mitigation direction
- Consult Cisco's advisory to identify the applicable fixed or hardened release.
- Deploy Cisco's hardening update using the vendor-supported upgrade process.
- Prioritize reachable installations and those accessible to low-privileged accounts.
- Review credential handling and rotate credentials if Cisco guidance or incident findings warrant it.
Validation and detection
- Inventory Cisco Crosswork Planning installations and record exact versions.
- Compare each installation against Cisco's current advisory and affected-version table.
- Confirm the vendor-recommended hardened release is installed successfully.
- Review available security logs for suspicious credential access or unexpected privileged activity.
- Verify network and account access restrictions while remediation is pending.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-522: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-20359 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H3.16ciscoVulnerability scoring details
Base CVSS 3.1 score
9.9CriticalVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- cisco-sa-hardening-crosswork-UzDTU9VhCVE reference, cisco
- https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-IdentificationCVE reference, CVE
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Insufficiently Protected Credentials
Insufficiently Protected Credentials represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.