Security readout for executives and security teams
Plain-English summary
Cisco ISE could expose sensitive system configuration data to a user who should only have read-only administrator access. This does not require malware or user interaction, but it does require valid Admin portal credentials. The main business risk is leakage of security configuration details that could support later compromise.
Executive priority
Treat this as a moderate-priority confidentiality issue. It is unlikely to be a first-stage internet compromise without credentials, but it can expose configuration intelligence that increases the impact of an insider, compromised admin account, or follow-on attack.
Technical view
CVE-2021-1416 affects the Cisco ISE Admin portal. Improper enforcement of administrator privilege levels lets an authenticated remote attacker with read-only administrator access browse pages containing sensitive data and collect configuration information. CVSS 3.1 is 6.5, with high confidentiality impact and no integrity or availability impact stated.
Likely exposure
Exposure is limited to Cisco Identity Services Engine Software deployments where an attacker can authenticate to the Admin portal as a read-only administrator. The source bundle does not identify specific affected or fixed versions, so version exposure must be checked against Cisco guidance.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires low-privileged administrative access to the Cisco ISE Admin portal and involves viewing pages that should not expose sensitive configuration data to that role.
Researcher notes
Key constraints are authenticated access, read-only administrator privileges, and confidentiality-only impact. The source bundle lacks affected version ranges, fixed releases, and detailed page names. Avoid expanding scope beyond Cisco ISE Admin portal behavior described in the advisory metadata.
Mitigation direction
- Review Cisco's advisory for affected and fixed release guidance.
- Inventory Cisco ISE deployments and confirm software status.
- Restrict Admin portal access to trusted administrative networks.
- Review and minimize read-only administrator account assignments.
- Monitor Admin portal access by read-only administrators.
- Do not assume read-only access hides sensitive configuration until remediated.
Validation and detection
- Confirm whether deployed Cisco ISE versions match Cisco advisory guidance.
- Review administrator roles for unnecessary read-only accounts.
- Check whether Admin portal access is network-restricted.
- Review logs for unusual read-only administrator portal access.
- After remediation, verify read-only admins cannot view sensitive configuration pages.
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-266: Exact CWE lookup
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Open ATT&CK lookupCVE-2021-1416 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20210217 Cisco Identity Services Engine Sensitive Information Disclosure 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.
Incorrect Privilege Assignment
Incorrect Privilege Assignment represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.