How severe is CVE-2022-28391?

CVE-2022-28391 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-2022-28391 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28391?

CVE-2022-28391 affects Busybox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28391?

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-2022-28391 published?

CVE-2022-28391 was published on 2022-04-03 and last updated on 2026-06-17.

CVE-2022-28391

CVE-2022-28391 is a high-severity vulnerability in Busybox 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-88.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-88
Affected product: Busybox
Published: 2022-04-03
Last modified: 2026-06-17

Description

BusyBox through 1.35.0 allows remote attackers to execute arbitrary code if netstat is used to print a DNS PTR record's value to a VT compatible terminal. Alternatively, the attacker could choose to change the terminal's colors.

Frequently asked questions

What is CVE-2022-28391?: BusyBox through 1.35.0 allows remote attackers to execute arbitrary code if netstat is used to print a DNS PTR record's value to a VT compatible terminal. Alternatively, the attacker could choose to change the terminal's colors.
How severe is CVE-2022-28391?: CVE-2022-28391 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-2022-28391 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28391?: CVE-2022-28391 affects Busybox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28391?: 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-2022-28391 published?: CVE-2022-28391 was published on 2022-04-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*

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