How severe is CVE-2022-28470?

CVE-2022-28470 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-28470 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28470?

CVE-2022-28470 affects Python Pypi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28470?

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

When was CVE-2022-28470 published?

CVE-2022-28470 was published on 2022-05-08 and last updated on 2026-06-17.

CVE-2022-28470

CVE-2022-28470 is a critical-severity vulnerability in Python Pypi with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Python Pypi
Published: 2022-05-08
Last modified: 2026-06-17

Description

marcador package in PyPI 0.1 through 0.13 included a code-execution backdoor.

Frequently asked questions

What is CVE-2022-28470?: marcador package in PyPI 0.1 through 0.13 included a code-execution backdoor.
How severe is CVE-2022-28470?: CVE-2022-28470 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-28470 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28470?: CVE-2022-28470 affects Python Pypi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28470?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-28470 published?: CVE-2022-28470 was published on 2022-05-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:python:pypi:*:*:*:*:*:*:*:*