Security readout for executives and security teams
Plain-English summary
An administrator on an affected Cisco SD-WAN vManage system could escalate to root because the CLI assigns privileges incorrectly. This is not a remote unauthenticated issue, but it matters where vManage administrators are numerous, shared, or could be compromised.
Executive priority
Treat as a planned priority patch for SD-WAN management systems. The vulnerability requires administrator access, but root compromise of vManage can create serious operational and network-management risk.
Technical view
CVE-2021-1462 is a local authenticated privilege escalation in Cisco SD-WAN vManage Software. A valid Administrator account is required. Cisco attributes the issue to incorrect privilege assignment; successful exploitation could provide root privileges. Cisco released software updates and states there are no workarounds.
Likely exposure
Exposure is limited to affected Cisco SD-WAN vManage or Catalyst SD-WAN Manager deployments running listed vulnerable versions. Risk is highest where administrator accounts are shared, weakly protected, or exposed after credential compromise.
Exploitation context
The supplied sources do not report active exploitation, and the CVE is not marked KEV. Exploitation requires local authenticated administrator access, lowering broad attack likelihood but increasing impact after privileged account compromise.
Researcher notes
Evidence supports authenticated local privilege escalation with high integrity impact and no confidentiality or availability impact in CVSS. The bundle does not provide exploit telemetry, fixed release identifiers, or proof-of-concept details.
Mitigation direction
- Apply Cisco software updates referenced in the Cisco advisory.
- Do not rely on workarounds; Cisco states none address this vulnerability.
- Restrict vManage administrator access to named, necessary users only.
- Enforce MFA and strong credential controls for administrator accounts.
- Review Cisco guidance before changing production SD-WAN managers.
Validation and detection
- Inventory Cisco SD-WAN Manager or vManage versions against the affected version list.
- Confirm upgraded systems run a Cisco-fixed release from the advisory.
- Review administrator account assignments for unnecessary or shared access.
- Check administrative logs for unexpected privileged local activity.
- Document compensating controls if upgrade timing is constrained.
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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-1462 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
- 4.4 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:X/RL:X/RC:X
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:N/I:H/A:N/E:X/RL:X/RC:X0.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.4MediumVector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:X/RL:X/RC:X
Source materials
- CVE List V5 sourceCVE List V5
- cisco-sa-sdwan-privesc-vman-kth3c82BCVE reference
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.
