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CVE-2020-8243: Ivanti Pulse Connect Secure Code Execution Vulnerability

criticalknown exploitedCVE-2020-8243
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Ivanti Pulse Connect Secure contains an unspecified vulnerability in the admin web interface that could allow an authenticated attacker to upload a custom template to perform code execution.

CSIRTS triage

vendor: Ivantiproduct: Pulse Connect SecureRemote code execution
What
The vulnerability allows an authenticated attacker to upload a custom template for code execution.
Who is affected
Deployments of Ivanti Pulse Connect Secure are affected.
Urgency
Remediation is urgent due to the critical nature of the vulnerability.
Action
Apply the security updates provided by Ivanti.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-8243

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2020-8243coverage & exploitation statusNVD · CVE.org

Recent advisories for Ivanti Pulse Connect

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CISA Known Exploited Vulnerabilities