XSS in Broadcom Advanced Secure Gateway
CVE-2018-18370
The ASG/ProxySG FTP proxy WebFTP mode allows intercepting FTP connections where a user accesses an FTP server via a ftp:// URL in a web browser. A stored cross-site scripting (XSS) vulnerability in the WebFTP mode allows a remote attacker to inject malicious JavaScript code in ASG/ProxySG's web listing of a remote FTP server. Exploiting the vulnerability requires the attacker to be able to upload crafted files to the remote FTP server. Affected versions: ASG 6.6 and 6.7 prior to 6.7.4.2; ProxySG 6.5 prior to 6.5.10.15, 6.6, and 6.7 prior to 6.7.4.2.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.008 (53.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Broadcom Advanced Secure Gateway — versions 6.6
- Broadcom Symantec Proxysg — versions 6.6
- Symantec Corporation Advanced Secure Gateway (Asg) — versions 6.6 and 6.7 prior to 6.7.4.2
- Symantec Corporation Proxysg — versions 6.5 prior to 6.5.10.15, 6.7 prior to 6.7.4.2, 6.6
Weakness classification (CWE)
References
- support.symantec.com/us/en/article.SYMSA1472.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-18370?
- CVE-2018-18370 is a medium-severity vulnerability in Broadcom Advanced Secure Gateway, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-08-30.
- How severe is CVE-2018-18370?
- Medium severity. CVSS v3 base score is 6.1 out of 10.