Search for vulnerabilities
Vulnerability details: VCID-zjna-bbmv-aaas
Vulnerability ID VCID-zjna-bbmv-aaas
Aliases CVE-2020-15670
Summary Mozilla developers reported memory safety bugs present in Firefox for Android 79. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 80, Firefox ESR < 78.2, Thunderbird < 78.2, and Firefox for Android < 80.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-416 Use After Free
CWE-617 Reachable Assertion
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-15670.html
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-15670.json
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00431 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
epss 0.00974 https://api.first.org/data/v1/epss?cve=CVE-2020-15670
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1872533
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15670
cvssv3.1 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2020-15670
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2020-15670
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2020-15670
generic_textual Medium https://ubuntu.com/security/notices/USN-4474-1
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-36
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2020-36/#CVE-2020-15670
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-38
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-39
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-41
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2020-41/#CVE-2020-15670
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-15670.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-15670.json
https://api.first.org/data/v1/epss?cve=CVE-2020-15670
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1651001%2C1653626%2C1656957
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15670
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://ubuntu.com/security/notices/USN-4474-1
https://www.mozilla.org/en-US/security/advisories/mfsa2020-36/#CVE-2020-15670
https://www.mozilla.org/en-US/security/advisories/mfsa2020-41/#CVE-2020-15670
https://www.mozilla.org/security/advisories/mfsa2020-36/
https://www.mozilla.org/security/advisories/mfsa2020-38/
https://www.mozilla.org/security/advisories/mfsa2020-39/
https://www.mozilla.org/security/advisories/mfsa2020-41/
1872533 https://bugzilla.redhat.com/show_bug.cgi?id=1872533
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:-:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:-:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
CVE-2020-15670 https://nvd.nist.gov/vuln/detail/CVE-2020-15670
mfsa2020-36 https://www.mozilla.org/en-US/security/advisories/mfsa2020-36
mfsa2020-38 https://www.mozilla.org/en-US/security/advisories/mfsa2020-38
mfsa2020-39 https://www.mozilla.org/en-US/security/advisories/mfsa2020-39
mfsa2020-41 https://www.mozilla.org/en-US/security/advisories/mfsa2020-41
USN-4474-1 https://usn.ubuntu.com/4474-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-15670.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-15670
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-15670
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-15670
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.56777
EPSS Score 0.00384
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.