THREATPORT/VULNERABILITY/CVE-2017-13677
HIGH SEVERITY

CVE-2017-13677

Advanced Secure Gateway vulnerability

CVSS
7.5
EPSS
5.2%
EPSS pct
92th
Exploited
No known
Denial-of-service (DoS) vulnerability in the Symantec Advanced Secure Gateway (ASG) and ProxySG management consoles. A remote attacker can use crafted HTTP/HTTPS requests to cause denial-of-service through management console application crashes.
Affected vendor
Broadcom
Affected product
Advanced Secure Gateway
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2018-04-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 5.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2017-13677

  • Confirm whether Broadcom Advanced Secure Gateway is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-13677.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-13677

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-13677 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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