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Vulnerabilities

Vulnerability · CVE-2020-8260

Ivanti Pulse Connect Secure Code Execution Vulnerability

Published Oct 28, 2020 · catalog updated Jun 16, 2026 · Ivanti Connect Secure and Policy Secure

Patch now

CVE-2020-8260 is in the CISA known-exploited catalog, due May 3, 2022. Confirm Ivanti Connect Secure and Policy Secure against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
High7.2
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
96.48%
Remediation
Remediation guidance
Affected products
cpe ivanti/connect secure · vendor Ivanti Connect Secure and Policy Secure · vendor Ivanti Pulse Connect Secure

A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary code execution using uncontrolled gzip extraction.

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 secure9.1
  • vendor Ivanti Connect Secure and Policy Secureversion unspecified
  • vendor Ivanti Pulse Connect Secureversion unspecified

How to fix CVE-2020-8260

What to do

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

Should you patch?

CVE-2020-8260 is in the CISA known-exploited catalog, due May 3, 2022. Confirm Ivanti Connect Secure and Policy Secure against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with ivanti/connect secure 9.1. Apply updates per vendor instructions.

What should an analyst verify?

CWE-434: Unrestricted Upload of File with Dangerous Type. EPSS 96.48%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

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. Oct 28, 2020 · Catalog

    Detected

    A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary code execution using uncontrolled gzip extraction.

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 3, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary code execution using uncontrolled gzip extraction.

Sources

  • CISA KEVConfirmed exploitationCVE-2020-8260

    Pulse Connect Secure contains an unspecified vulnerability that allows an authenticated attacker to perform code execution using uncontrolled gzip extraction.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2020-8260

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-8260

    30-day exploitation probability 96.5%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_linux/http/pulse_secure_gzip_rce

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2020-8260

    A vulnerability in the Pulse Connect Secure < 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary code execution using uncontrolled gzip extraction.

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/160619/Pulse-Secure-VPN-Remote-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • VulnCheck KEVConfirmed exploitationCVE-2020-8260

    Pulse Connect Secure contains an unspecified vulnerability that allows an authenticated attacker to perform code execution using uncontrolled gzip extraction.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.