7.5

CVE-2022-38333: openwrt Out-of-bounds Read

CVSS: 7.5v3.1HighModified
Published 19-09-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-38333 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in openwrt. EPSS estimates a 1.40% chance of exploitation in the next 30 days, higher than 72.2% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.40%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-09-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Openwrt before v21.02.3 and Openwrt v22.03.0-rc6 were discovered to contain two skip loops in the function header_value(). This vulnerability allows attackers to access sensitive information via a crafted HTTP request.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.40%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

+0.03 pp

From 1.37% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.40%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Openwrt1 product

1 vendor · 1 product

References

3 links