Is CVE-2020-11635 in the CISA KEV catalog?

No. CVE-2020-11635 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-11635?

CVE-2020-11635 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2020-11635?

CVE-2020-11635 has an EPSS score of 0.43% (35th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-11635?

Upgrade client connector to 3.1.0 or later.

CVE & CISA-KEV Catalog

CVE-2020-11635

HIGH

7.8

CVSS v3

NVD

Description

The Zscaler Client Connector prior to 3.1.0 did not sufficiently validate RPC clients, which allows a local adversary to execute code with system privileges or perform limited actions for which they did not have privileges.

How to fix

Remediation Available

client connectorNVD

Affected:< 3.1.0Fixed in:3.1.0CVE-2020-11635derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.43%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Vendor Advisory1

trust.zscaler.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.