7.5

CVE-2018-5113: canonical ubuntu_linux Missing Authorization

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2018-5113
Published 11-06-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-5113 is a high (CVSS 7.5) Missing Authorization vulnerability in canonical ubuntu_linux. EPSS estimates a 2.01% chance of exploitation in the next 30 days, higher than 80.4% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
2.01%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:14572-1USN-3544-1

Timeline

  1. 11-06-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The "browser.identity.launchWebAuthFlow" function of WebExtensions is only allowed to load content over "https:" but this requirement was not properly enforced. This can potentially allow privileged pages to be loaded by the extension. This vulnerability affects Firefox < 58.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.01%

Chance of exploitation in the next 30 days

Percentile

80%

Versus all other CVEs

30-day change

-0.04 pp

From 2.05% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.01%

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

Canonical1 product
Mozilla1 product
  • firefox≥ unspecified, < 58 | ≤ 57.0.4
Ubuntu1 product
  • firefox< 58.0+build6-0ubuntu0.14.04.1 | < 58.0+build6-0ubuntu0.16.04.1 | < 59.0.1+build1-0ubuntu1

3 vendors · 3 products

References

9 links