CVE-2025-2885

Root metadata version not validated in tough

MEDIUM
4.5
CVSS Score
Published: March 27, 2025 at 10:18 PM UTC
Updated: June 17, 2026 at 09:07 AM UTC
3 products affected across 3 vendorsToughToughTough

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Severity
MEDIUM4.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Missing validation of the root metatdata version number could allow an actor to supply an arbitrary version number to the client instead of the intended version in the root metadata file, altering the version fetched by the client. Users should upgrade to tough version 0.20.0 or later and ensure any forked or derivative code is patched to incorporate the new fixes.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.20.0
All versions
60%
0.1.0 ≤ v < 0.20.00.1.0
Affected range stops below 0.20.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

Vendor Advisory
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
https://aws.amazon.com/security/security-bulletins/AWS-2025-007/
Vendor Advisory
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
https://github.com/awslabs/tough/security/advisories/GHSA-5vmp-m5v2-hx47

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-1288

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