CVE-2022-45456

HIGH

Denial of service due to unauthenticated API endpoint. The following products are affected: Acronis Agent (Windows, macOS, Linux) before build 30161.

Affects 4 products across 4 vendors.

CVSS 3.17.5
EPSS0.3%
Percentile26th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, no confidentiality impact, no integrity impact, full availability impact.
CWE Weakness Definitions
CWE-287: Improper Authentication

Software does not prove or insufficiently proves that the user is who they claim to be.

Related Attack Patterns (CAPEC)
CAPEC-57 Utilizing REST's Trust in the System Resource to Obtain Sensitive Data
via CWE-287
CAPEC-633 Token Impersonation
via CWE-287
CAPEC-650 Upload a Web Shell to a Web Server
via CWE-287
CAPEC-194 Fake the Source of Data
via CWE-287
CAPEC-593 Session Hijacking
via CWE-287
Show all 10

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

A vulnerability in Acronis Agent (Windows, macOS, Linux) before build 30161 allows unauthenticated users to cause a denial of service by exploiting an unsecured API endpoint.

BSID: BS-2023-GLOBAL-059622-H • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2022-45456?
A vulnerability in Acronis Agent (Windows, macOS, Linux) before build 30161 allows unauthenticated users to cause a denial of service by exploiting an unsecured API endpoint.
What is the CVSS score for CVE-2022-45456?
CVE-2022-45456 has CVSS 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS: 0.3%.
Is CVE-2022-45456 actively exploited?
No confirmed active exploitation of CVE-2022-45456 as of 2026-05-30.
How do I remediate CVE-2022-45456?
Priority: HIGH. Advisory: https://security-advisory.acronis.com/advisories/SEC-4149 PSIRT: [email protected]
What systems are affected by CVE-2022-45456?
CVE-2022-45456 affects Acronis Agent.
Vulnerability Details
CVE IDCVE-2022-45456
BSIDBS-2023-GLOBAL-059622-H BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published2023-04-26
Last Modified2024-11-21
ICS Relevance15%
Weakness (CWE)
Improper Authentication
SourceNVD
Official Description

Denial of service due to unauthenticated API endpoint. The following products are affected: Acronis Agent (Windows, macOS, Linux) before build 30161.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The attack vector involves sending malicious requests to an unauthenticated API endpoint, which can lead to a denial of service condition on the affected systems.

Exploitation Likelihood: MEDIUM

Affected Products
VendorProductAffected Versions
Acronis Agent < c22.08

Platforms listed by the source (the vulnerable product runs on these; they are not themselves vulnerable): Apple Macos, Linux Linux Kernel, Microsoft Windows

Remediation
View Vendor Advisory →

Remediation Priority: HIGH

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 1268 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash34cae9fc4548fba7843963cb8e95d4b4d5abb065f8983df9a4920ae2d068f4f225ccecc33dbd5bb4c3cc07b7d3a2bf7dfc506c6c281250b618906477e82de035
Related CVEs affecting Acronis
CVE-2025-30416 10.0 Sensitive data disclosure and manipulation due to missing authorization. The ... CVE-2025-30412 10.0 Sensitive data disclosure and manipulation due to improper authentication. Th... CVE-2025-30411 10.0 Sensitive data disclosure and manipulation due to improper authentication. Th... CVE-2024-8767 9.9 Sensitive data disclosure and manipulation due to unnecessary privileges assi... CVE-2023-41746 9.8 Remote command execution due to improper input validation. The following prod...
View all Acronis CVEs →

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