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Vulnerabilities

Vulnerability · CVE-2017-11455

diag.cgi in Pulse Connect Secure 8.2R1 through 8.2R5, 8.1R1 through 8.1R10 and Pulse Policy Secure 5.3R1 through 5.3R5, 5.2R1 through 5.2R8, and 5.1R1 through 5.1R10 a…

Published Aug 29, 2017 · catalog updated Jun 17, 2026 · connect secure

Last checked Nov 8, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2017-11455. EPSS is 1.31%. Act only if a listed version of connect secure is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.31%
Remediation
Advisory link
Affected products
cpe ivanti/connect secure · cpe pulsesecure/pulse connect secure

diag.cgi in Pulse Connect Secure 8.2R1 through 8.2R5, 8.1R1 through 8.1R10 and Pulse Policy Secure 5.3R1 through 5.3R5, 5.2R1 through 5.2R8, and 5.1R1 through 5.1R10 allow remote attackers to hijack the authentication of administrators for requests to start tcpdump, related to the lack of anti-CSRF tokens.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe ivanti/connect secure8.1
  • cpe pulsesecure/pulse connect secure8.1r1.0
  • cpe pulsesecure/pulse connect secure8.2r1.0
  • cpe pulsesecure/pulse connect secure8.2r1.1
  • cpe pulsesecure/pulse connect secure8.2r2.0
  • cpe pulsesecure/pulse connect secure8.2r3.0

How to fix CVE-2017-11455

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2017-11455. EPSS is 1.31%. Act only if a listed version of connect secure is installed.

Which versions are affected?

Compare what you have installed with ivanti/connect secure 8.1; pulsesecure/pulse connect secure 8.1r1.0; pulsesecure/pulse connect secure 8.2r1.0; pulsesecure/pulse connect secure 8.2r1.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-352: Cross-Site Request Forgery (CSRF). EPSS 1.31%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Ivanti Connect Secure security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 29, 2017 · Monitored products — critical

    Detected

    diag.cgi in Pulse Connect Secure 8.2R1 through 8.2R5, 8.1R1 through 8.1R10 and Pulse Policy Secure 5.3R1 through 5.3R5, 5.2R1 through 5.2R8, and 5.1R1 through 5.1R10 allow remote attackers to hijack the authentication of administrators for requests to start tcpdump, related to the lack of anti-CSRF tokens.

  2. Jun 17, 2026 · Monitored products — critical

    Updated

    diag.cgi in Pulse Connect Secure 8.2R1 through 8.2R5, 8.1R1 through 8.1R10 and Pulse Policy Secure 5.3R1 through 5.3R5, 5.2R1 through 5.2R8, and 5.1R1 through 5.1R10 allow remote attackers to hijack the authentication of administrators for requests to start tcpdump, related to the lack of anti-CSRF tokens.

Sources

  • CVE.orgVulnerability recordCVE-2017-11455

    Official CVE identifier

    cve.org
  • Monitored products — criticalVendor advisoryCVE-2017-11455

    diag.cgi in Pulse Connect Secure 8.2R1 through 8.2R5, 8.1R1 through 8.1R10 and Pulse Policy Secure 5.3R1 through 5.3R5, 5.2R1 through 5.2R8, and 5.1R1 through 5.1R10 allow remote attackers to hijack the authentication of administrators for requests to start tcpdump, related to the lack of anti-CSRF tokens.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 8, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • Monitored products — criticalNov 2, 2026