Security readout for executives and security teams
Plain-English summary
Cisco NFVIS has a CLI flaw that could let an already privileged administrator read or overwrite files outside the intended path. This is not a remote, unauthenticated issue, but it matters because NFVIS supports network virtualization infrastructure and file tampering could affect confidentiality, integrity, and availability.
Executive priority
Treat this as a moderate priority infrastructure hardening item. It is not described as actively exploited or remotely reachable, but misuse by a privileged account could damage critical network virtualization systems.
Technical view
CVE-2019-1952 is a CWE-22 path traversal issue in Cisco Enterprise NFV Infrastructure Software CLI argument handling. An authenticated local attacker with administrator privilege-level credentials could use directory traversal techniques in a vulnerable command to read or overwrite arbitrary files. CVSS v3.0 is 6.7.
Likely exposure
Exposure is limited to Cisco Enterprise NFV Infrastructure Software deployments with affected versions. The bundle does not specify exact vulnerable releases or fixed versions, so teams must verify against Cisco's advisory and their deployed NFVIS inventory.
Exploitation context
The source bundle does not show KEV listing or active exploitation evidence. Exploitation requires valid administrator privilege-level credentials and local CLI access, making compromised admin accounts, insider misuse, or weak administrative controls the main concern.
Researcher notes
The advisory-backed record provides impact, attack preconditions, CVSS, and weakness class, but not specific affected or fixed versions in the supplied bundle. Avoid assuming exploit availability, public PoC status, or remediation versions without Cisco advisory confirmation.
Mitigation direction
- Inventory Cisco NFVIS deployments and record installed software versions.
- Check Cisco's advisory for affected and fixed NFVIS release details.
- Upgrade or apply Cisco-provided guidance where a fixed release or mitigation is identified.
- Restrict NFVIS administrator access to trusted operators and managed administrative paths.
- Review administrator credential hygiene, MFA availability, and account lifecycle controls.
Validation and detection
- Confirm whether any deployed NFVIS version matches Cisco's affected guidance.
- Verify only authorized administrators can access NFVIS CLI functions.
- Review administrative CLI logs for unusual file access or traversal-like activity.
- Check file integrity or configuration baselines for unexpected changes.
- Document any compensating controls if immediate upgrade is not possible.
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-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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 lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-1952 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
- Medium
- CVSS
- 6.7 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/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.
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:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H0.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.7MediumVector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20190807 Cisco Enterprise NFV Infrastructure Software Path Traversal VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
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.
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.