Arbitrary file upload in Ivanti Connect_secure

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 execution using uncontrolled gzip extraction.

Vulnerability class: Unrestricted File Upload

EPSS: 0.965 (99.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-8260?
CVE-2020-8260 is a high-severity vulnerability in Ivanti Connect_secure, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2020-10-28.
How severe is CVE-2020-8260?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2020-8260 known to be exploited?
Yes. CVE-2020-8260 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 6 public proof-of-concept repositories are indexed.