Security readout for executives and security teams
Plain-English summary
Cisco SSM On-Prem had a web access-control flaw that could let an unauthenticated remote attacker create arbitrary user accounts. The reported accounts were not administrator or operator accounts, so business impact is limited but still real: unauthorized identities inside a licensing management system can undermine trust and require cleanup.
Executive priority
Treat as a moderate-priority remediation item. Escalate if SSM On-Prem is internet-accessible or broadly reachable internally, because exploitation is unauthenticated even though the documented impact is limited to lower-privileged account creation.
Technical view
CVE-2020-3245 is an improper access control issue in the Cisco Smart Software Manager On-Prem web application. Cisco attributes it to missing authorization controls. CVSS 3.0 is 5.3: network reachable, low complexity, no privileges, no user interaction, unchanged scope, and low integrity impact only.
Likely exposure
Exposure is limited to organizations running Cisco Smart Software Manager On-Prem, especially where its web application is reachable by untrusted networks. The bundle does not provide affected version ranges or deployment prevalence.
Exploitation context
The source bundle says exploitation requires a crafted HTTP request to an affected device. CISA KEV is false in the provided data, and no cited source states active exploitation.
Researcher notes
Key technical point is CWE-284: missing authorization controls in the web application. The bundle does not provide affected version details, patch version names, exploit telemetry, or deeper account privilege boundaries beyond stating the created accounts are not administrator or operator accounts.
Mitigation direction
- Review Cisco’s advisory for affected releases and fixed software guidance.
- Upgrade or remediate SSM On-Prem according to Cisco’s vendor instructions.
- Restrict SSM On-Prem web access to trusted administrative networks.
- Audit SSM On-Prem for unexpected non-admin user accounts.
- Remove unauthorized accounts and review related access logs.
Validation and detection
- Inventory all Cisco Smart Software Manager On-Prem deployments.
- Confirm current version against Cisco’s advisory and internal asset records.
- Verify the web interface is not exposed to untrusted networks.
- Review user lists for unexpected or recently created accounts.
- Check logs for suspicious account creation events.
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-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2020-3245 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
- 5.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.3MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20200617 Cisco Smart Software Manager On-Prem Improper Access Control 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 Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.