5.3

CVE-2017-7789: mozilla firefox

CVSS: 5.3v3.0MediumModified
AliasesUBUNTU-CVE-2017-7789
Published 11-06-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-7789 is a medium (CVSS 5.3) vulnerability in mozilla firefox. EPSS estimates a 1.75% chance of exploitation in the next 30 days, higher than 77.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
1.75%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 4 · Related 4
OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:14572-1SUSE-SU-2019:2872-1USN-3391-1

Timeline

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

Description

If a server sends two Strict-Transport-Security (STS) headers for a single connection, they will be rejected as invalid and HTTP Strict Transport Security (HSTS) will not be enabled for the connection. This vulnerability affects Firefox < 55.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.75%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

-0.04 pp

From 1.78% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.75%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.mozilla.org)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Mozilla1 product
  • firefox≥ unspecified, < 55 | < 55.0
Ubuntu1 product
  • firefox< 55.0.1+build2-0ubuntu0.14.04.2 | < 55.0.1+build2-0ubuntu0.16.04.2

2 vendors · 2 products

References

7 links