5.3

CVE-2023-33293: kaiostech kaios Exposure of Resource to Wrong Sphere

CVSS: 5.3v3.1MediumModified
Published 22-05-2023Last modified 21-01-2025

Vulnerability summary

CVE-2023-33293 is a medium (CVSS 5.3) Exposure of Resource to Wrong Sphere vulnerability in kaiostech kaios. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.56%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 22-05-2023
    PublishedVulnerability first disclosed.
  2. 21-01-2025
    Last modifiedVulnerability information updated.

Description

An issue was discovered in KaiOS 3.0 and 3.1. The binary /system/kaios/api-daemon exposes a local web server on *.localhost with subdomains for each installed applications, e.g., myapp.localhost. An attacker can make fetch requests to api-deamon to determine if a given app is installed and read the manifest.webmanifest contents, including the app version.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

0.00 pp

From 0.56% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (kaios.dev)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Kaiostech1 product

1 vendor · 1 product

References

1 links