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CVE-2025-2000

32
FAUCET Score

CVE-2025-2000 is a critical deserialization vulnerability affecting IBM Qiskit versions 0.18.0 through 1.4.1. A maliciously crafted QPY file, when loaded by the qiskit.qpy.load() function, can execute arbitrary Python code without privilege escalation. This vulnerability carries a CVSS score of 9.8 (CRITICAL), indicating a severe risk with network-based attacks, low complexity, and complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code, the vulnerability has garnered community discussion, suggesting awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.18.0, < 1.4.2CPE matchmatch criteria
cpe:2.3:a:ibm:qiskit:*:*:*:*:*:php:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.74%
Probability of exploitation in next 30 days
EPSS Percentile
50.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0074 is in the 34th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

pippatch availablevia ghsa
Product: qiskitFixed in: 1.4.2
pippatch availablevia ghsa
Product: qiskitFixed in: 2.0.0rc2

Vendor Advisories (1)

pipGHSA-6m2c-76ff-6vrfcritical

Qiskit allows arbitrary code execution decoding QPY format versions < 13

Mar 14, 2025

References

ibm.com / support/pages/node/7185949
Vendor Advisory