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Vulnerability Details :

CVE-2025-1945

Summary
Assigner-Sonatype
Assigner Org ID-103e4ec9-0a87-450b-af77-479448ddef11
Published At-10 Mar, 2025 | 11:43
Updated At-29 Dec, 2025 | 14:17
Rejected At-
Credits

picklescan - Zip Flag Bit Exploit Crashes Picklescan But Not PyTorch

picklescan before 0.0.23 fails to detect malicious pickle files inside PyTorch model archives when certain ZIP file flag bits are modified. By flipping specific bits in the ZIP file headers, an attacker can embed malicious pickle files that remain undetected by PickleScan while still being successfully loaded by PyTorch's torch.load(). This can lead to arbitrary code execution when loading a compromised model.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Sonatype
Assigner Org ID:103e4ec9-0a87-450b-af77-479448ddef11
Published At:10 Mar, 2025 | 11:43
Updated At:29 Dec, 2025 | 14:17
Rejected At:
▼CVE Numbering Authority (CNA)
picklescan - Zip Flag Bit Exploit Crashes Picklescan But Not PyTorch

picklescan before 0.0.23 fails to detect malicious pickle files inside PyTorch model archives when certain ZIP file flag bits are modified. By flipping specific bits in the ZIP file headers, an attacker can embed malicious pickle files that remain undetected by PickleScan while still being successfully loaded by PyTorch's torch.load(). This can lead to arbitrary code execution when loading a compromised model.

Affected Products
Vendor
mmaitre314
Product
picklescan
Default Status
unaffected
Versions
Affected
  • From 0.0.1 before 0.0.23 (python)
Problem Types
TypeCWE IDDescription
CWECWE-345CWE-345 Insufficient Verification of Data Authenticity
Type: CWE
CWE ID: CWE-345
Description: CWE-345 Insufficient Verification of Data Authenticity
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Trevor Madge (@madgetr) of Sonatype
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.sonatype.com/security-advisories/cve-2025-1945
third-party-advisory
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-w8jq-xcqf-f792
vendor-advisory
https://github.com/mmaitre314/picklescan/commit/e58e45e0d9e091159c1554f9b04828bbb40b9781
patch
Hyperlink: https://www.sonatype.com/security-advisories/cve-2025-1945
Resource:
third-party-advisory
Hyperlink: https://github.com/mmaitre314/picklescan/security/advisories/GHSA-w8jq-xcqf-f792
Resource:
vendor-advisory
Hyperlink: https://github.com/mmaitre314/picklescan/commit/e58e45e0d9e091159c1554f9b04828bbb40b9781
Resource:
patch
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:103e4ec9-0a87-450b-af77-479448ddef11
Published At:10 Mar, 2025 | 12:15
Updated At:29 Dec, 2025 | 15:16

picklescan before 0.0.23 fails to detect malicious pickle files inside PyTorch model archives when certain ZIP file flag bits are modified. By flipping specific bits in the ZIP file headers, an attacker can embed malicious pickle files that remain undetected by PickleScan while still being successfully loaded by PyTorch's torch.load(). This can lead to arbitrary code execution when loading a compromised model.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.05.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CPE Matches
mmaitre314
mmaitre314
>>picklescan>>Versions before 0.0.23(exclusive)
cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-345Secondary103e4ec9-0a87-450b-af77-479448ddef11
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE ID: CWE-345
Type: Secondary
Source: 103e4ec9-0a87-450b-af77-479448ddef11
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/mmaitre314/picklescan/commit/e58e45e0d9e091159c1554f9b04828bbb40b9781103e4ec9-0a87-450b-af77-479448ddef11
Patch
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-w8jq-xcqf-f792103e4ec9-0a87-450b-af77-479448ddef11
Exploit
Vendor Advisory
https://www.sonatype.com/security-advisories/cve-2025-1945103e4ec9-0a87-450b-af77-479448ddef11
N/A
Hyperlink: https://github.com/mmaitre314/picklescan/commit/e58e45e0d9e091159c1554f9b04828bbb40b9781
Source: 103e4ec9-0a87-450b-af77-479448ddef11
Resource:
Patch
Hyperlink: https://github.com/mmaitre314/picklescan/security/advisories/GHSA-w8jq-xcqf-f792
Source: 103e4ec9-0a87-450b-af77-479448ddef11
Resource:
Exploit
Vendor Advisory
Hyperlink: https://www.sonatype.com/security-advisories/cve-2025-1945
Source: 103e4ec9-0a87-450b-af77-479448ddef11
Resource: N/A

Change History

0
Information is not available yet

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