CVE-2017-3839: XEE
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).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Cisco Secure Access Control System (ACS)to a version that resolves this vulnerability.Fixed in 5.8(2.5)Patch CSCvc04845
Event History
Frequently Asked Questions
What is the severity of CVE-2017-3839?
CVE-2017-3839 has been classified with a medium severity rating due to its potential to expose sensitive information.
How do I fix CVE-2017-3839?
To fix CVE-2017-3839, it is recommended to upgrade to a patched version of the Cisco Secure Access Control System, specifically version 5.8(2.6) or later.
What type of vulnerability is CVE-2017-3839?
CVE-2017-3839 is classified as an XML External Entity (XXE) vulnerability affecting the web-based user interface of Cisco ACS.
Who is affected by CVE-2017-3839?
Cisco Secure Access Control System versions 5.8(2.5) and prior are affected by CVE-2017-3839.
Can CVE-2017-3839 be exploited remotely?
Yes, CVE-2017-3839 can be exploited remotely by unauthenticated attackers to gain unauthorized read access to sensitive information.