CVE-2016-10256

Name: CVE-2016-10256
Creator: NVD / NIST
Published: 2018-01-10T02:29:31.833+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.47%

Last modified Jun 17, 2026

CVE-2016-10256 is a vulnerability of currently unknown severity. The Symantec ProxySG 6.5 (prior to 6.5.10.6), 6.6, and 6.7 (prior to 6.7.2.1) management console is susceptible to a reflected XSS vulnerability. A remote attacker can use a crafted management console URL in a phishing attack to inject arbitrary JavaScript code into the management console web client application. EPSS estimates a 1.47% chance of exploitation in the next 30 days.

Description

The Symantec ProxySG 6.5 (prior to 6.5.10.6), 6.6, and 6.7 (prior to 6.7.2.1) management console is susceptible to a reflected XSS vulnerability. A remote attacker can use a crafted management console URL in a phishing attack to inject arbitrary JavaScript code into the management console web client application. This is a separate vulnerability from CVE-2016-10257.

Metrics

EPSS Probability

1.47%

70.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Broadcom	Symantec Proxysg	>= 6.5, < 6.5.10.6
Broadcom	Symantec Proxysg	>= 6.7, < 6.7.2.1
Broadcom	Symantec Proxysg	6.6

References

http://www.securityfocus.com/bid/102451Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040138Third Party Advisory, VDB Entry
https://www.symantec.com/security-center/network-protection-security-advisories/SA155Vendor Advisory
http://www.securityfocus.com/bid/102451Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040138Third Party Advisory, VDB Entry
https://www.symantec.com/security-center/network-protection-security-advisories/SA155Vendor Advisory

Timeline

Published: Jan 10, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-10256?

How severe is CVE-2016-10256?

Severity scoring for CVE-2016-10256 is pending analysis. The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.

How do I fix CVE-2016-10256?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-10256?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST