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CVE Record

CVE-2019-12651: Cisco IOS XE Software Web UI Command Injection Vulnerabilities

Multiple vulnerabilities in the web-based user interface (Web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker to execute commands with elevated privileges on the affected device. For more information about these vulnerabilities, see the Details section of this advisory.

HighCVSS 7.6Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2019-12651 affects Cisco IOS XE Web UI. An authenticated remote user could run commands with elevated privileges on affected network devices, risking outages or unauthorized changes. The bundle rates it high severity with CVSS 7.6.

Executive priority

Treat this as a high-priority network infrastructure issue, especially for management interfaces reachable beyond a tightly controlled admin network. It is not confirmed as actively exploited in the supplied sources, but successful abuse could disrupt critical routing or switching operations.

Technical view

The issue is command injection (CWE-77) in Cisco IOS XE Software Web UI. CVSS indicates network attack vector, low complexity, low privileges required, no user interaction, and high availability impact. The provided affected entry names Cisco IOS XE Software 3.2.11aSG.

Likely exposure

Exposure is most likely where Cisco IOS XE Web UI is enabled, reachable over the network, and accessible to authenticated users. The provided bundle only names Cisco IOS XE Software 3.2.11aSG, so broader version impact should be confirmed from Cisco guidance.

Exploitation context

The bundle does not show CISA KEV listing or any cited evidence of active exploitation. Risk remains meaningful because exploitation requires only authenticated remote access and could affect device availability with elevated command execution.

Researcher notes

The evidence supports authenticated remote command injection in the IOS XE Web UI with elevated command execution. Source detail is limited in the prompt, so do not infer additional products, version ranges, exploit maturity, or specific fixes beyond Cisco advisory review.

Mitigation direction

  • Review the Cisco advisory for affected releases and official fixed software guidance.
  • Prioritize remediation for internet-facing or broadly reachable management interfaces.
  • Restrict Web UI access to trusted administrative networks where operationally possible.
  • Remove or reduce unnecessary low-privilege administrative accounts.
  • Monitor Cisco guidance for any updated mitigation or fixed-release information.

Validation and detection

  • Inventory Cisco IOS XE devices and identify Web UI exposure.
  • Check for Cisco IOS XE Software 3.2.11aSG in asset records.
  • Confirm whether Web UI is reachable from untrusted or user networks.
  • Review administrative account access to affected management interfaces.
  • Compare installed versions against Cisco advisory guidance.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · medium confidence lookup

CWE-77: Command execution behavior lookup

Command injection weaknesses can lead defenders to review execution techniques and command interpreter 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 lookup
description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2019-12651 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.6 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
7.6CVSS 3.0HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H2.84.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.6High
CVSS 3.0 vector shape for CVE-2019-12651Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
CiscoCisco IOS XE Software 3.2.11aSGunspecifiedListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-77 · source CWE mapping

Improper Neutralization of Special Elements used in a Command ('Command Injection')

Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.