Security readout for executives and security teams
Plain-English summary
Cisco CSPC had a flaw allowing a logged-in remote attacker with high privileges to make syslog reporting read non-log files. That could expose sensitive local files from the CSPC system. The source bundle does not specify affected versions or fixed releases.
Executive priority
Treat as moderate priority. It is not described as actively exploited and needs high privileges, but successful abuse could disclose sensitive files from a Cisco collector used in operational environments.
Technical view
CVE-2021-40130 is an improper restriction issue in Cisco Common Services Platform Collector web application syslog configuration. An authenticated remote attacker with high privileges could configure non-log files as syslog sources, causing unauthorized file disclosure. CVSS 3.1 is 4.9, driven by high confidentiality impact and high required privileges.
Likely exposure
Exposure is most likely where Cisco CSPC is deployed and its web application is reachable by administrators or compromised privileged accounts. The bundle lists affected versions as n/a, so precise version-based exposure requires Cisco advisory review.
Exploitation context
The CVE is not listed as KEV in the provided bundle. No supplied source states active exploitation. Exploitation requires authenticated remote access with high privileges, which lowers broad internet risk but matters if admin credentials are compromised.
Researcher notes
Key constraints are PR:H, UI:N, network reachable, and confidentiality-only impact. The affected version data in the bundle is incomplete. Focus validation on CSPC presence, admin exposure, syslog source configuration, and vendor advisory mapping.
Mitigation direction
- Review Cisco's advisory for affected releases and fixed software guidance.
- Restrict CSPC web application access to trusted administration networks.
- Limit CSPC administrator privileges to users with operational need.
- Audit syslog source configuration for unexpected non-log file paths.
- Monitor CSPC access and configuration-change logs for suspicious admin activity.
Validation and detection
- Inventory Cisco CSPC deployments and record software versions.
- Confirm whether each deployment matches Cisco advisory scope.
- Review syslog reporting sources for non-log file references.
- Check administrative access records for unexplained syslog configuration changes.
- Verify remediation status against Cisco's published advisory guidance.
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
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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-2021-40130 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/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:H/UI:N/S:U/C:H/I:N/A:N1.23.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.9MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20211117 Cisco Common Services Platform Collector Improper Logging Restriction 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.