CVE-2020-15658
CVSS V2 Medium 4.3
CVSS V3 Medium 6.5
Description
The code for downloading files did not properly take care of special characters, which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown in the dialog. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Overview
- CVE ID
- CVE-2020-15658
- Assigner
- security@mozilla.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-08-10T18:15:12
- Last Modified Date
- 2023-02-02T22:23:19
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | 1 | OR | 79.0 | |
| cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* | 1 | OR | 78.1 | |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | 1 | OR | 78.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.mozilla.org/security/advisories/mfsa2020-32/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2020-30/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2020-33/ | Vendor Advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1637745 | Issue Tracking Permissions Required Vendor Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html | Third Party Advisory |
| https://usn.ubuntu.com/4443-1/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-15658 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15658 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:20:24 | Added to TrackCVE | |||
| 2022-12-04 20:45:34 | 2020-08-10T18:15Z | 2020-08-10T18:15:12 | CVE Published Date | updated |
| 2022-12-04 20:45:34 | 2020-08-18T14:15:13 | CVE Modified Date | updated | |
| 2022-12-04 20:45:34 | Undergoing Analysis | Vulnerability Status | updated | |
| 2023-02-02 23:10:39 | 2023-02-02T22:23:19 | CVE Modified Date | updated | |
| 2023-02-02 23:10:39 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |