How severe is CVE-2019-1020010?

CVE-2019-1020010 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-1020010 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-1020010?

CVE-2019-1020010 primarily affects Misskey. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-1020010?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-1020010 published?

CVE-2019-1020010 was published on 2019-07-29 and last updated on 2026-06-17.

CVE-2019-1020010

CVE-2019-1020010 is a medium-severity vulnerability in Misskey with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Misskey
Published: 2019-07-29
Last modified: 2026-06-17

Description

Misskey before 10.102.4 allows hijacking a user's token.

Frequently asked questions

What is CVE-2019-1020010?: Misskey before 10.102.4 allows hijacking a user's token.
How severe is CVE-2019-1020010?: CVE-2019-1020010 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-1020010 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-1020010?: CVE-2019-1020010 primarily affects Misskey. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-1020010?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-1020010 published?: CVE-2019-1020010 was published on 2019-07-29 and last updated on 2026-06-17.

References

https://github.com/syuilo/misskey/security/advisories/GHSA-6qw9-6jxq-xj3p

Affected products (26)

cpe:2.3:a:misskey:misskey:*:*:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:alpha10:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:alpha4:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:alpha5:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:alpha6:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:alpha7:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:alpha8:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta10:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta11:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta12:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta13:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta14:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta15:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta16:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta2:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta3:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta4:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta5:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta6:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta7:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta8:*:*:*:*:*:*
cpe:2.3:a:misskey:misskey:11.0.0:beta9:*:*:*:*:*:*

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