7.8

CVE-2017-7755: mozilla firefox Untrusted Search Path

CVSS: 7.8v3.0HighModified
Published 11-06-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-7755 is a high (CVSS 7.8) Untrusted Search Path vulnerability in mozilla firefox. EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.3% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
1.36%
0%100%
Low · -0.03 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 2
MGASA-2018-0018SUSE-SU-2017:1669-1SUSE-SU-2017:2235-1

Timeline

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

Description

The Firefox installer on Windows can be made to load malicious DLL files stored in the same directory as the installer when it is run. This allows privileged execution if the installer is run with elevated privileges. Note: This attack only affects Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.36%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

-0.03 pp

From 1.39% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.36%

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

Mozilla3 products

1 vendor · 3 products

References

6 links