Is CVE-2022-48253 actively exploited?

No active exploitation of CVE-2022-48253 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-48253 be exploited remotely?

Yes. CVE-2022-48253 is exploitable remotely over the network (CVSS attack vector: Network).

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

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

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CRITICAL

CVE-2022-48253

CWE-22Published: January 11, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Risk Analysis

Nostromo nhttpd versions prior to 2.1 contain a path traversal vulnerability that can lead to arbitrary command execution when the homedirs option is enabled. This critical flaw allows remote attackers to compromise the server. The CVSS score of 9.8 highlights the urgency of this vulnerability.

There is no known public exploit, and it is not in the CISA KEV. The vulnerability is remotely exploitable with low complexity.

Recommended Action

Upgrade Nostromo to version 2.1 or later to address the path traversal vulnerability.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-48253 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.