CVE-2020-8243
Actively exploited. CVE-2020-8243 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching 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
- 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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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2020-8243: Ivanti Pulse Connect Secure Code Execution Vulnerabilitycisa-kev · 2021-11-03
External references
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[](https://www.csirts.com/cve/CVE-2020-8243)