How severe is CVE-2022-45451?

CVE-2022-45451 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-45451 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45451?

CVE-2022-45451 primarily affects Acronis Agent. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-45451?

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

When was CVE-2022-45451 published?

CVE-2022-45451 was published on 2023-08-31 and last updated on 2026-06-17.

CVE-2022-45451

CVE-2022-45451 is a high-severity vulnerability in Acronis Agent with a CVSS 3.x base score of 7.8. 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Acronis Agent
Published: 2023-08-31
Last modified: 2026-06-17

Description

Local privilege escalation due to insecure driver communication port permissions. The following products are affected: Acronis Cyber Protect Home Office (Windows) before build 40173, Acronis Agent (Windows) before build 30600, Acronis Cyber Protect 15 (Windows) before build 30984.

Frequently asked questions

What is CVE-2022-45451?: Local privilege escalation due to insecure driver communication port permissions. The following products are affected: Acronis Cyber Protect Home Office (Windows) before build 40173, Acronis Agent (Windows) before build 30600, Acronis Cyber Protect 15 (Windows) before build 30984.
How severe is CVE-2022-45451?: CVE-2022-45451 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-45451 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45451?: CVE-2022-45451 primarily affects Acronis Agent. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-45451?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-45451 published?: CVE-2022-45451 was published on 2023-08-31 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:acronis:agent:*:*:*:*:*:windows:*:*
cpe:2.3:a:acronis:cyber_protect:15:-:*:*:*:windows:*:*
cpe:2.3:a:acronis:cyber_protect:15:update1:*:*:*:windows:*:*
cpe:2.3:a:acronis:cyber_protect:15:update2:*:*:*:windows:*:*
cpe:2.3:a:acronis:cyber_protect:15:update3:*:*:*:windows:*:*
cpe:2.3:a:acronis:cyber_protect:15:update4:*:*:*:windows:*:*
cpe:2.3:a:acronis:cyber_protect:15:update5:*:*:*:windows:*:*
cpe:2.3:a:acronis:cyber_protect_home_office:*:*:*:*:*:windows:*:*

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