Is CVE-2022-48253 in the CISA KEV catalog?

No. CVE-2022-48253 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-48253?

CVE-2022-48253 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2022-48253?

CVE-2022-48253 has an EPSS score of 3.41% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-48253?

Upgrade nostromo to 2.1 or later.

CVE & CISA-KEV Catalog

CVE-2022-48253

CRITICALEPSS 87th pctl

9.8

CVSS v3

NVD

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.

CWE-22Path Traversal

How to fix

Remediation Available

nostromoNVD

Affected:< 2.1Fixed in:2.1CVE-2022-48253derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.41%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Exploit1

soteritsecurity.com

Vendor Advisory1

nazgul.ch

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-04-08.