Security readout for executives and security teams
Cisco Secure ACS before release 5.8 patch 9 can be taken over remotely without login. The flaw lets attacker-supplied Java data trigger command execution as root, creating a serious risk to authentication and network access control infrastructure. Exposure is most likely where Cisco Secure ACS is still running a release prior to 5.8 patch 9. Internet exposure, management-plane exposure, and legacy network access control deployments increase urgency. The sources do not identify other affected products. Treat this as urgent for any remaining Cisco Secure ACS deployment. It is remotely exploitable without credentials, can run commands as root, and is listed by CISA as known exploited. Patch, isolate, or retire affected systems promptly. Mitigation focus: Upgrade Cisco Secure ACS to release 5.8 patch 9 or follow current Cisco advisory guidance.; Remove untrusted network access to ACS management and service interfaces.; Prioritize replacement if ACS cannot be patched or is end-of-life in your environment..
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
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ATT&CK lookup starting points
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CWE-20: Exact CWE lookup
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Open ATT&CK lookupCVE-2018-0147 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
- Yes
- 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.
CISA KEV status
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
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180307-acs2CVE reference · x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0147CVE reference · government-resource
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.