01 Record

CVE-2022-31793

do_request in request.c in muhttpd before 1.1.7 allows remote attackers to read arbitrary files by constructing a URL with a single character before a desired path on the filesystem. This occurs

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

do_request in request.c in muhttpd before 1.1.7 allows remote attackers to read arbitrary files by constructing a URL with a single character before a desired path on the filesystem. This occurs

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 17.74% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 97.1% of scored records. A rank, not a probability.
NVD base score: 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2022-08-04 21:55Z4 YR AGO

Last updated

2024-08-03 07:26Z2 YR AGO

Reserved

2022-05-27

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

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

Data version

5.1

Document digest

f3f1893e4532d72bea2afdfe763f772a5ae60db9b6cb0e049fb722933e620e5d

05 Affected products

VendorProductVersionsPlatforms

arrisbgw210Not specified—

arrisbgw210_firmwareNot specified—

arrisbgw320Not specified—

arrisbgw320_firmwareNot specified—

arrisnvg443Not specified—

arrisnvg443_firmwareNot specified—

arrisnvg510Not specified—

arrisnvg510_firmwareNot specified—

arrisnvg589Not specified—

arrisnvg589_firmwareNot specified—

arrisnvg599Not specified—

arrisnvg599_firmwareNot specified—

inglorionmuhttpdNot specified—

06 References

inglorion.nethttp://inglorion.net/software/muhttpd/x_refsource_MISC
kb.cert.orghttps://kb.cert.org/vuls/id/495801x_refsource_MISC
derekabdine.comhttps://derekabdine.com/blog/2022-arris-advisoryx_refsource_MISC
blog.malwarebytes.comhttps://blog.malwarebytes.com/exploits-and-vulnerabilities/2022/08/millions-of-arris-routers-are-vulnerable-to-path-traversal-attacks/x_refsource_MISC
www.kb.cert.orghttps://www.kb.cert.org/vuls/id/495801