What is the CVSS score of CVE-2020-11580?

CVE-2020-11580 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 1.1%.

Is there a public PoC exploit available for CVE-2020-11580?

Yes, a public proof-of-concept exploit is available for CVE-2020-11580. Prioritise patching immediately. EPSS: 1.1%.

Pulse Connect Secure CVE-2020-11580

CRITICAL

Improper Certificate Validation (CWE-295)

2020-04-06 cve@mitre.org

Information Disclosure Ivanti Apple Pulse Connect Secure Pulse Policy Secure

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Apr 06, 2020 - 21:15 nvd

CRITICAL 9.1

DescriptionNVD

An issue was discovered in Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06. The applet in tncc.jar, executed on macOS, Linux, and Solaris clients when a Host Checker policy is enforced, accepts an arbitrary SSL certificate.

AnalysisAI

An issue was discovered in Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-295. An issue was discovered in Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06. The applet in tncc.jar, executed on macOS, Linux, and Solaris clients when a Host Checker policy is enforced, accepts an arbitrary SSL certificate. Affected products include: Pulsesecure Pulse Connect Secure, Pulsesecure Pulse Policy Secure. Version information: through 2020.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.