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Vulnerability details: VCID-uene-df28-t3bf
Vulnerability ID VCID-uene-df28-t3bf
Aliases CVE-2025-2830
Summary By crafting a malformed file name for an attachment in a multipart message, an attacker can trick Thunderbird into including a directory listing of /tmp when the message is forwarded or edited as a new message. This vulnerability could allow attackers to disclose sensitive information from the victim's system. This vulnerability is not limited to Linux; similar behavior has been observed on Windows as well.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-2830.json
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00032 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00047 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00047 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00058 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00058 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00058 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00058 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00058 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00058 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
epss 0.00069 https://api.first.org/data/v1/epss?cve=CVE-2025-2830
cvssv3.1 6.3 https://bugzilla.mozilla.org/show_bug.cgi?id=1956379
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1956379
cvssv3.1 6.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2025-26
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2025-27
cvssv3.1 6.3 https://www.mozilla.org/security/advisories/mfsa2025-26/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-26/
cvssv3.1 6.3 https://www.mozilla.org/security/advisories/mfsa2025-27/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2025-27/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-2830.json
https://api.first.org/data/v1/epss?cve=CVE-2025-2830
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-2830
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2359789 https://bugzilla.redhat.com/show_bug.cgi?id=2359789
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-2025-2830 https://nvd.nist.gov/vuln/detail/CVE-2025-2830
mfsa2025-26 https://www.mozilla.org/en-US/security/advisories/mfsa2025-26
mfsa2025-26 https://www.mozilla.org/security/advisories/mfsa2025-26/
mfsa2025-27 https://www.mozilla.org/en-US/security/advisories/mfsa2025-27
mfsa2025-27 https://www.mozilla.org/security/advisories/mfsa2025-27/
RHSA-2025:4229 https://access.redhat.com/errata/RHSA-2025:4229
RHSA-2025:4389 https://access.redhat.com/errata/RHSA-2025:4389
RHSA-2025:4512 https://access.redhat.com/errata/RHSA-2025:4512
RHSA-2025:4513 https://access.redhat.com/errata/RHSA-2025:4513
RHSA-2025:4514 https://access.redhat.com/errata/RHSA-2025:4514
RHSA-2025:4617 https://access.redhat.com/errata/RHSA-2025:4617
RHSA-2025:4649 https://access.redhat.com/errata/RHSA-2025:4649
RHSA-2025:4654 https://access.redhat.com/errata/RHSA-2025:4654
RHSA-2025:4665 https://access.redhat.com/errata/RHSA-2025:4665
RHSA-2025:7435 https://access.redhat.com/errata/RHSA-2025:7435
RHSA-2025:7507 https://access.redhat.com/errata/RHSA-2025:7507
show_bug.cgi?id=1956379 https://bugzilla.mozilla.org/show_bug.cgi?id=1956379
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-2830.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:L/I:L/A:L Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1956379
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:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-15T17:53:44Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1956379
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/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:L/I:L/A:L Found at https://www.mozilla.org/security/advisories/mfsa2025-26/
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:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-15T17:53:44Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-26/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L Found at https://www.mozilla.org/security/advisories/mfsa2025-27/
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:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-15T17:53:44Z/ Found at https://www.mozilla.org/security/advisories/mfsa2025-27/
Exploit Prediction Scoring System (EPSS)
Percentile 0.07598
EPSS Score 0.00032
Published At April 21, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-04-15T18:46:13.371559+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2025/mfsa2025-27.yml 36.0.0