CVE-2022-29799

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National Vulnerability Database Information

Description: A vulnerability was found in networkd-dispatcher. This flaw exists because no functions are sanitized by the OperationalState or the AdministrativeState of networkd-dispatcher. This attack leads to a directory traversal to escape from the “/etc/networkd-dispatcher” base directory.

CVSS Base Score: 5.5 (v3.1)

The CVSS Base Score is a score from 0 to 10 that represents the intrinsic severity of a vulnerability. A higher score indicates greater severity.

Value

0.02.55.07.510.0

Published on: 09/21/2022 19:15:10
Last modified: 06/17/2026 04:40:44
NIST: CVE source from the National Vulnerability Database (NVD)

CVSS Metrics Details

Base Severity: MEDIUM
Vector String: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector: LOCAL
Attack Complexity: LOW
Privileges Required: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: NONE
Availability Impact: NONE

Common Weakness Enumeration (CWE)

Database CWE: v4.18

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') ↗

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Fonte: MITRE CWE

FIRST Information

EPSS Score: 0.1167

The EPSS (Exploit Prediction Scoring System) is a score from 0 to 1 that indicates the probability that a vulnerability will be exploited in the real world in the next 30 days. A higher value indicates a greater likelihood of exploitation.

Value

0.00.250.50.751.0

Percentile: 0.9558

The Percentile indicates how much higher this vulnerability's EPSS score is compared to all other vulnerabilities in the EPSS database. For example, a percentile of 0.90 (90%) means that 90% of vulnerabilities have an EPSS score equal to or lower than the current one.

Value

0.00.250.50.751.0

*Data updated as of: 2026-07-15

CISA Information (Known Exploited Vulnerabilities)

The CISA KEV Catalog lists vulnerabilities that have been actively exploited in the real world. If a CVE is present in this catalog, it indicates that the threat is immediate and mitigation should be a top priority.

CVE CVE-2022-29799 is not present in the CISA KEV Catalog. This indicates that it is not currently classified by CISA as an actively exploited vulnerability.

Articles published on Red Hot Cyber

Nimbuspwn: il bug Linux che consente agli utenti di diventare root

NVD References

Exploit PoC from GitHub

joshuavanderpoll/NimbusPWN-CVE-2022-29799-29800: NimbusPwn (CVE-2022-29799/29800) local privilege escalation PoC in C.
Immersive-Labs-Sec/nimbuspwn: This is a PoC for Nimbuspwn, a Linux privilege escalation issue identified by Microsoft
ngtuonghung/nimbuspwn-CVE-2022-29800-CVE-2022-29799: PoC for Nimbuspwn: Linux Privilege Escalation via Path Traversal and TOCTOU in networkd-dispatcher
pansyhebephrenic23/NimbusPWN-CVE-2022-29799-29800: Demonstrate local privilege escalation in networkd-dispatcher via CVE-2022-29799 and CVE-2022-29800 using this C proof of concept.
pansyhebephrenic23/pansyhebephrenic23.github.io: Execute local privilege escalation on networkd-dispatcher via CVE-2022-29799 and CVE-2022-29800 using this C proof of concept.