---
id: "CVE-2020-8260"
kind: "vulnerability"
aliases: ["CVE-2020-8260"]
title: "Ivanti Pulse Connect Secure: Ivanti Pulse Connect Secure Code Execution Vulnerability"
severity: "critical"
cvss: 7.2
epss: 0.9648
exploited: true
status: "open"
category: "vendor"
products: [{"name": "Ivanti Pulse Connect Secure", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "ivanti", "pulse-connect-secure", "vendor", "vpn"]
not_affected_if: ["not-pulse-connect-secure"]
published_at: "2020-10-28T13:15:13+00:00"
first_seen_at: "2026-10-23T19:11:53+00:00"
updated_at: "2026-10-23T21:57:34+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-8260", "first_seen_at": "2026-10-23T19:11:53+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2020-8260", "first_seen_at": "2026-10-23T19:13:43+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8260", "first_seen_at": "2026-10-23T21:57:34+00:00"}]
---

# Ivanti Pulse Connect Secure: Ivanti Pulse Connect Secure Code Execution Vulnerability

Ivanti Pulse Connect Secure contains a flaw in gzip extraction that lets an authenticated attacker run code. CISA lists it as actively exploited in the wild.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Ivanti Pulse Connect Secure affected ? fixed ?

## Fix

Apply the updates per the vendor instructions (Ivanti advisory); specific fixed versions are not stated in the sources.

## Timeline

- 2026-10-23T19:11:53+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-8260
- 2026-10-23T19:13:43+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2020-8260
- 2026-10-23T21:57:34+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2020-8260

## From the sources

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

CISA required action: Apply updates per vendor instructions.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_