CVE-2019-1000013 json
Hex authenticity of signed packages not validated
published 2019-02-04 7 y ago modified 2026-06-17 4 mo ago also GHSA-q3cc-rr2c-87r6 , EUVD-2022-4868
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
Hex package manager hex_core version 0.3.0 and earlier contains a Signing oracle vulnerability in Package registry verification that can result in Package modifications not detected, allowing code execution. This attack appears to be exploitable via victim fetches packages from malicious/compromised mirror. This vulnerability appears to have been fixed in 0.4.0.
Patch / fix
- hex hex_core 0.4.0
- github.com/hexpm/hex_core#51 pull request
- github.com/hexpm/hex_core#48 pull request
Exploit prediction
0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| GitHub | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| hex | hex_core | <0.4.0 |
0.4.0 |
Classification
- Weakness
-
- CWE-345 Insufficient Verification of Data Authenticity
References
-
github.com
/hexpm/hex_core/pull/51
web, patch, third-party-advisory
-
github.com
/hexpm/hex_core/pull/48
web, patch, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-1000013
advisory
-
github.com
/hexpm/hex_core
package
Sources
- CVE List CVE-2019-1000013
- GitHub Advisory GHSA-q3cc-rr2c-87r6
- NVD CVE-2019-1000013
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