XML external entity injection in Cisco Secure Access Control System
Priority LOW 23CWE-611Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-611 and the CVSS impact.
Summary
An XML External Entity vulnerability in the web-based user interface of the Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to have read access to part of the information stored in the affected system. More Information: CSCvc04845. Known Affected Releases: 5.8(2.5).
Why it matters now
EPSS 0.0155 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Cisco Secure Access Control System | Cisco Secure Access Control System | — | No fix listed | CNA |
- Cisco Secure Access Control System Vendor— Affected Cisco Secure Access Control System Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-3839
- 2026-10-03 Alias added: GHSA-vgvw-m3x5-grc3
References
More Cisco Secure Access Control System vulnerabilities
- TI-2018-00118 Improper input validation in Cisco Secure Access Control System KEVCVSS 3.1CRITICAL 9.8
- TI-2018-00214 Improper input validation in Cisco Secure Access Control System CVSS 3.0CRITICAL 9.8
- TI-2014-00618 The RMI interface in Cisco Secure Access Control System (ACS) 5.x before 5.5 does not… CVSS 2.0HIGH 10.0
- TI-2014-00620 The web interface in Cisco Secure Access Control System (ACS) 5.x before 5.4 Patch 3… CVSS 2.0HIGH 10.0
- TI-2014-00619 The RMI interface in Cisco Secure Access Control System (ACS) 5.x before 5.5 does not… CVSS 2.0HIGH 9.0
- TI-2011-00829 The web-based management interface in Cisco Secure Access Control System (ACS) 5.1 before… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2017-3839 · CVE Program
- CVE-2017-3839 · NVD
- FIRST EPSS
- GHSA-vgvw-m3x5-grc3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences