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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2020-8260

Ivanti Pulse Connect Secure Code Execution Vulnerability

KEVHIGH 7.2EPSS 96.5%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
96.48% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 3 November 2021 · due 3 May 2022
Weakness
CWE-434
Affected
ivanti/connect secure
Source
support@hackerone.com
EPSS trend
0%50%100%30 October 2026: 96.48%30 October 202630 October 2026

EPSS 96.5% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. Reference CISA's ED 21-03 (https://www.cisa.gov/news-events/directives/ed-21-03-mitigate-pulse-connect-secure-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-03. https://nvd.nist.gov/vuln/detail/CVE-2020-8260

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.