What is CVE-2020-8243?

CVE-2020-8243 is a vulnerability in Pulse Connect Secre, classified under Code Injection. Published 2020-09-29.

Is CVE-2020-8243 known to be exploited?

Yes. CVE-2020-8243 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.

RCE in Pulse Connect Secre

CVE-2020-8243

A vulnerability in the Pulse Connect Secure < 9.1R8.2 admin web interface could allow an authenticated attacker to upload custom template to perform an arbitrary code execution.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.124 (94.0th percentile) — read the EPSS interpretation.

Affected products

N/a Pulse Connect Secre — versions Fixed in 9.1R8.2

Weakness classification (CWE)

CWE-94 — Code Injection

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2021-11-03. 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: 2022-05-03.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44588 (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-8243?: CVE-2020-8243 is a vulnerability in Pulse Connect Secre, classified under Code Injection. Published 2020-09-29.
Is CVE-2020-8243 known to be exploited?: Yes. CVE-2020-8243 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.