Security readout for executives and security teams
Plain-English summary
This is a critical Cisco Smart Software Manager Satellite web UI flaw. A remote attacker who is not logged in could execute operating-system commands on a vulnerable system. If exposed, this could lead to full compromise of the licensing management appliance or server.
Executive priority
Treat this as urgent for any deployed Cisco Smart Software Manager Satellite or On-Prem instance. The business risk is potential unauthenticated server compromise. Prioritize discovery first, then apply Cisco's official remediation path.
Technical view
The source describes multiple web UI command injection vulnerabilities in Cisco Smart Software Manager Satellite, with affected product listed as Cisco Smart Software Manager On-Prem. The issue is categorized as CWE-20 and rated CVSS 9.8: network reachable, low complexity, no privileges, no user interaction, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to organizations running Cisco Smart Software Manager Satellite or On-Prem. Risk is highest where the web UI is reachable from untrusted networks. The provided source bundle does not identify affected versions, so version validation requires Cisco advisory review.
Exploitation context
The bundle does not show CISA KEV listing or any cited evidence of active exploitation. The CVSS vector indicates the vulnerable condition is remotely reachable without authentication or user interaction, making exposed systems high priority even without confirmed exploitation.
Researcher notes
Evidence is limited to the CVE bundle and Cisco advisory reference. The bundle confirms unauthenticated remote command execution potential and CVSS 9.8 severity, but does not provide affected versions, patch names, workaround details, or exploitation evidence.
Mitigation direction
- Inventory Cisco Smart Software Manager Satellite or On-Prem deployments.
- Review Cisco's advisory for affected releases, fixed software, and official workarounds.
- Restrict web UI access to trusted administration networks.
- Prioritize remediation for internet- or partner-accessible deployments.
- Monitor for unusual web UI activity and suspicious host command execution.
Validation and detection
- Confirm whether Cisco Smart Software Manager Satellite or On-Prem is deployed.
- Compare deployed versions against Cisco advisory details.
- Verify the web UI is not reachable from untrusted networks.
- Review logs for unexpected web requests or command execution indicators.
- Document remediation status and remaining exposed instances.
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-20: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupExecution 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 lookupCVE-2021-1142 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
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20210120 Cisco Smart Software Manager Satellite Web UI Command Injection VulnerabilitiesCVE 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 Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.