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CVE-2025-24830· NVD / CVE Program· CNA Acronis

Local privilege escalation due to DLL hijacking vulnerability.

Local privilege escalation due to DLL hijacking vulnerability. The following products are affected: Acronis Cyber Protect Cloud Agent (Windows) before build 39378.

MediumCVSS 6.3 · v3.0—No exploit Fix available

Noroxi analysis

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Published
Jan 31, 2025
Updated
Jun 17, 2026
EPSS
0.1% · 2th percentile
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Report tools

JSON

Action score

25

Monitor

Low priority for now.

CVSS
25 / 40 · 6.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · Acronis
6.3
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Acronis). Independent of NVD's CPE analysis and usually ahead of it.

  • Acronis Acronis Cyber Protect Cloud Agent

    • unspecified and later · before 39378affected · semver

Same product

acronis: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-30410Sensitive data disclosure and manipulation due to missing authentication.
    39Monitor
  • CVE-2024-34010Local privilege escalation due to unquoted search path vulnerability.
    32Monitor
  • CVE-2025-9578Local privilege escalation due to insecure folder permissions.
    31Monitor
  • CVE-2025-30415Denial of service due to improper handling of malformed input.
    30Monitor
  • CVE-2025-48963Local privilege escalation due to improper soft link handling.
    29Monitor
  • CVE-2023-48684Sensitive information disclosure and manipulation due to missing authorization.
    28Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Acronis Acronis Cyber Protect Cloud Agent39378Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2025-248270 days apartLocal privilege escalation due to DLL hijacking vulnerability.
    25Monitor
  • CVE-2025-248280 days apartLocal privilege escalation due to DLL hijacking vulnerability.
    25Monitor
  • CVE-2025-248290 days apartLocal privilege escalation due to DLL hijacking vulnerability.
    25Monitor
  • CVE-2025-3040754 days apartLocal privilege escalation due to a binary hijacking vulnerability.
    25Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Local
Attack complexity
High
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
None

Weakness class (CWE)

CWE-426 · Untrusted Search Path

CVSS vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records