Search for vulnerabilities
Vulnerability details: VCID-jgkf-ddrd-b7fr
Vulnerability ID VCID-jgkf-ddrd-b7fr
Aliases CVE-2023-0430
Summary Certificate OCSP revocation status was not checked when verifying S/Mime signatures. Mail signed with a revoked certificate would be displayed as having a valid signature. Thunderbird versions from 68 to 102.7.0 were affected by this bug.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-299 Improper Check for Certificate Revocation
CWE-295 Improper Certificate Validation
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-0430.json
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
epss 0.00071 https://api.first.org/data/v1/epss?cve=CVE-2023-0430
cvssv3.1 6.5 https://bugzilla.mozilla.org/show_bug.cgi?id=1769000
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1769000
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2023-0430
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2023-04
cvssv3.1 6.5 https://www.mozilla.org/security/advisories/mfsa2023-04/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2023-04/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-0430.json
https://api.first.org/data/v1/epss?cve=CVE-2023-0430
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-46871
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-46877
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0430
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0616
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0767
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23598
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23601
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23602
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23603
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-23605
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25728
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25729
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25730
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25732
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25735
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25737
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25739
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25742
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25744
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25746
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2166591 https://bugzilla.redhat.com/show_bug.cgi?id=2166591
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-2023-0430 https://nvd.nist.gov/vuln/detail/CVE-2023-0430
mfsa2023-04 https://www.mozilla.org/en-US/security/advisories/mfsa2023-04
mfsa2023-04 https://www.mozilla.org/security/advisories/mfsa2023-04/
RHSA-2023:0600 https://access.redhat.com/errata/RHSA-2023:0600
RHSA-2023:0601 https://access.redhat.com/errata/RHSA-2023:0601
RHSA-2023:0602 https://access.redhat.com/errata/RHSA-2023:0602
RHSA-2023:0603 https://access.redhat.com/errata/RHSA-2023:0603
RHSA-2023:0605 https://access.redhat.com/errata/RHSA-2023:0605
RHSA-2023:0606 https://access.redhat.com/errata/RHSA-2023:0606
RHSA-2023:0607 https://access.redhat.com/errata/RHSA-2023:0607
RHSA-2023:0608 https://access.redhat.com/errata/RHSA-2023:0608
show_bug.cgi?id=1769000 https://bugzilla.mozilla.org/show_bug.cgi?id=1769000
USN-5824-1 https://usn.ubuntu.com/5824-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-0430.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:N/I:H/A:N Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1769000
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-10T18:21:49Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1769000
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N 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: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2023-0430
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:N/I:H/A:N Found at https://www.mozilla.org/security/advisories/mfsa2023-04/
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-01-10T18:21:49Z/ Found at https://www.mozilla.org/security/advisories/mfsa2023-04/
Exploit Prediction Scoring System (EPSS)
Percentile 0.22399
EPSS Score 0.00071
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:32.006083+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2023/mfsa2023-04.yml 37.0.0