CVE-2025-6224 json
Key leakage in juju/utils certificates
published 2025-07-01 16 mo ago modified 2026-06-17 4 mo ago also GHSA-h34r-jxqm-qgpr , GO-2025-3798 , EUVD-2025-19609
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 4%
- public exploits
- 0
- none known
Summary
Certificate generation in juju/utils using the cert.NewLeaf function could include private information. If this certificate were then transferred over the network in plaintext, an attacker listening on that network could sniff the certificate and trivially extract the private key from it.
Patch / fix
- go github.com/juju/utils/v4/cert 4.0.4
- go github.com/juju/utils/v4 4.0.4
- canonical juju/utils 4.0.4
- govulncheck-vulndb openSUSE Tumbleweed 0.0.20250730T213748-1.1
opensuse advisories openSUSE-SU-2025:15405-1
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 16 mo ago
Exploit prediction
0.16% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/juju/utils/security/advisories/GHSA-h34r-jxqm-qgpr referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/juju/utils/v4/cert | <4.0.4 |
4.0.4 |
| go | github.com/juju/utils | all versions |
no fix listed |
| go | github.com/juju/utils/v2 | all versions |
no fix listed |
| go | github.com/juju/utils/v3 | all versions |
no fix listed |
| go | github.com/juju/utils/v4 | <4.0.4 |
4.0.4 |
Affected products
- Canonical Juju utils
Classification
- Weakness
-
- CWE-312 Cleartext Storage of Sensitive Information
References
-
github.com
/juju/utils/commit/766f27d7bcd10433453a9764509a864c17a46a76
web, patch
-
github.com
/juju/utils/security/advisories/GHSA-h34r-jxqm-qgpr
web, exploit, vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2025-6224
advisory
-
github.com
/juju/utils
package
-
github.com
/juju/utils/releases/tag/v4.0.4
web
Sources
- CVE List CVE-2025-6224
- GitHub Advisory GHSA-h34r-jxqm-qgpr
- NVD CVE-2025-6224
- OSV GO-2025-3798
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.