Is CVE-2023-28797 in the CISA KEV catalog?

No. CVE-2023-28797 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-28797?

CVE-2023-28797 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2023-28797?

CVE-2023-28797 has an EPSS score of 0.22% (12th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-28797?

Upgrade client connector to 4.1 or later.

CVE & CISA-KEV Catalog

CVE-2023-28797

MEDIUM

6.3

CVSS v3

NVD

Description

Zscaler Client Connector for Windows before 4.1 writes/deletes a configuration file inside specific folders on the disk. A malicious user can replace the folder and execute code as a privileged user.

CWE-59Link Following

How to fix

Remediation Available

client connectorNVD

Affected:< 4.1Fixed in:4.1CVE-2023-28797derived 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 ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityLow

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

Exploit Intelligence

0.22%probability of exploitation in 30 days

12thpercentile

Low risk: more likely to be exploited than 12% of all known CVEs.

References

Release Notes1

help.zscaler.com

Related Vulnerabilities

Other CWE-59 (Link Following) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-30333	High	7.5	99%	KEV + Ransom	Fix
CVE-2021-21300	High	8.0	89%	-	Fix
CVE-2021-32610	High	7.1	73%	-	Fix
CVE-2020-36193	High	7.5	71%	KEV	Fix
CVE-2023-40028	Medium	4.9	58%	-	Fix
CVE-2020-0787	High	7.8	43%	KEV + Ransom	-

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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.