How severe is CVE-2023-49313?

CVE-2023-49313 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-49313 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49313?

CVE-2023-49313 affects Horsicq Xmachoviewer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49313?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-49313 published?

CVE-2023-49313 was published on 2023-11-28 and last updated on 2026-06-17.

CVE-2023-49313

CVE-2023-49313 is a critical-severity vulnerability in Horsicq Xmachoviewer with a CVSS 3.x base score of 9.8. 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Horsicq Xmachoviewer
Published: 2023-11-28
Last modified: 2026-06-17

Description

A dylib injection vulnerability in XMachOViewer 0.04 allows attackers to compromise integrity. By exploiting this, unauthorized code can be injected into the product's processes, potentially leading to remote control and unauthorized access to sensitive user data.

Frequently asked questions

What is CVE-2023-49313?: A dylib injection vulnerability in XMachOViewer 0.04 allows attackers to compromise integrity. By exploiting this, unauthorized code can be injected into the product's processes, potentially leading to remote control and unauthorized access to sensitive user data.
How severe is CVE-2023-49313?: CVE-2023-49313 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-49313 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49313?: CVE-2023-49313 affects Horsicq Xmachoviewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49313?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-49313 published?: CVE-2023-49313 was published on 2023-11-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:horsicq:xmachoviewer:0.04:*:*:*:*:*:*:*

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