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01 Record

CVE-2025-53395

Paramount Macrium Reflect through 2025-06-26 allows local attackers to execute arbitrary code with administrator privileges via a crafted .mrimgx backup file and a malicious VSSSvr.dll located in the

HighPUBLISHEDCNA: mitre
CNA base score7.7 CVSS v3.xCVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:H/S:C/UI:R
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02 Description

Paramount Macrium Reflect through 2025-06-26 allows local attackers to execute arbitrary code with administrator privileges via a crafted .mrimgx backup file and a malicious VSSSvr.dll located in the

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.17% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 7.2% of scored records. A rank, not a probability.
NVD base score
7.7 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
NVD analysis status
Deferred. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2025-08-04 00:00Z1 YR AGO
Last updated
2025-08-05 14:29Z1 YR AGO
Reserved
2025-06-29
Assigning CNA
mitre
Record state
PUBLISHED
Severity
High (CVSS 7.7)
CNA CVSS vector
CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:H/S:C/UI:R
Weaknesses
  • CWE-427Uncontrolled Search Path ElementBase
Data version
5.1
Document digest
663d1b0288d55f36cd5f0c8d561034c58da2096d2cf1969ebdfec283f7295f01

05 Affected products

No products listed

This record names no affected vendor or product. That is common for reserved identifiers and for records whose CNA published only a narrative description.

06 References