CVE-2017-3839 describes an XML External Entity (XXE) vulnerability in the web-based user interface of Cisco Secure Access Control System (ACS) versions 5.8(2.5). This flaw allows an unauthenticated, remote attacker to gain read access to sensitive information on the affected system. The vulnerability carries a CVSS 3.0 score of 4.3 (Medium), indicating a low attack complexity and requiring no user interaction, but only providing limited confidentiality impact. While an attacker can access some system information, there is no impact on integrity or availability. There is no evidence of active exploitation, nor is there publicly available exploit code in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness and a lack of widespread attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.8\(2.5\)CPE matchmatch criteria | cpe:2.3:a:cisco:secure_access_control_system:5.8\(2.5\):*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.