How severe is CVE-2019-1000012?

CVE-2019-1000012 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-1000012 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-1000012?

CVE-2019-1000012 affects Hex. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-1000012?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-1000012 published?

CVE-2019-1000012 was published on 2019-02-04 and last updated on 2026-06-17.

CVE-2019-1000012

CVE-2019-1000012 is a high-severity vulnerability in Hex with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-345.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-345
Affected product: Hex
Published: 2019-02-04
Last modified: 2026-06-17

Description

Hex package manager version 0.14.0 through 0.18.2 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 0.19.

Frequently asked questions

What is CVE-2019-1000012?: Hex package manager version 0.14.0 through 0.18.2 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 0.19.
How severe is CVE-2019-1000012?: CVE-2019-1000012 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-1000012 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-1000012?: CVE-2019-1000012 affects Hex. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-1000012?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-1000012 published?: CVE-2019-1000012 was published on 2019-02-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hex:hex:*:*:*:*:*:*:*:*

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