6.5

CVE-2016-2816: mozilla firefox Improper Access Control

Modified
AliasesUBUNTU-CVE-2016-2816
Published 30-04-2016Last modified 05-08-2024

Vulnerability summary

CVE-2016-2816 is a medium (CVSS 6.5) Improper Access Control vulnerability in mozilla firefox. EPSS estimates a 2.40% chance of exploitation in the next 30 days, higher than 84% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
2.40%
0%100%
Low · +0.08 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
OPENSUSE-SU-2024:10071-1OPENSUSE-SU-2024:14572-1USN-2936-1

Timeline

  1. 30-04-2016
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Mozilla Firefox before 46.0 allows remote attackers to bypass the Content Security Policy (CSP) protection mechanism via the multipart/x-mixed-replace content type.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.40%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

Increase +0.08 pp

From 2.31% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Mozilla1 product
Ubuntu1 product
  • firefox< 46.0+build5-0ubuntu0.14.04.2 | < 46.0+build5-0ubuntu0.16.04.2

2 vendors · 2 products

References

13 links
Show all 13 references