How severe is CVE-2022-48253?

CVE-2022-48253 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-2022-48253 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-48253?

CVE-2022-48253 affects Nazgul Nostromo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-48253?

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-2022-48253 published?

CVE-2022-48253 was published on 2023-01-11 and last updated on 2026-06-17.

CVE-2022-48253

CVE-2022-48253 is a critical-severity vulnerability in Nazgul Nostromo 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. The underlying weakness is classified as CWE-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Nazgul Nostromo
Published: 2023-01-11
Last modified: 2026-06-17

Description

nhttpd in Nostromo before 2.1 is vulnerable to a path traversal that may allow an attacker to execute arbitrary commands on the remote server. The vulnerability occurs when the homedirs option is used.

Frequently asked questions

What is CVE-2022-48253?: nhttpd in Nostromo before 2.1 is vulnerable to a path traversal that may allow an attacker to execute arbitrary commands on the remote server. The vulnerability occurs when the homedirs option is used.
How severe is CVE-2022-48253?: CVE-2022-48253 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-2022-48253 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-48253?: CVE-2022-48253 affects Nazgul Nostromo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-48253?: 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-2022-48253 published?: CVE-2022-48253 was published on 2023-01-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nazgul:nostromo:*:*:*:*:*:*:*:*

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