CVE-2023-28798
CVE-2023-28798 is a medium-severity vulnerability in Zscaler Client Connector with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 0% (35th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-32433
- Weakness: CWE-787
- Affected product: Zscaler Client Connector
- Published:
- Last modified:
Description
An out-of-bounds write to heap in the pacparser library on Zscaler Client Connector on Mac may lead to arbitrary code execution.
Frequently asked questions
- What is CVE-2023-28798?
- An out-of-bounds write to heap in the pacparser library on Zscaler Client Connector on Mac may lead to arbitrary code execution.
- How severe is CVE-2023-28798?
- CVE-2023-28798 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2023-28798 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-28798?
- CVE-2023-28798 affects Zscaler Client Connector. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-28798?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-28798 have an EU (EUVD) identifier?
- Yes. CVE-2023-28798 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-32433.
- When was CVE-2023-28798 published?
- CVE-2023-28798 was published on 2024-05-02 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:macos:*:*
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