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NVD Vulnerability Details :
CVE-2020-15679
Modified
More InfoOfficial Page
Source-security@mozilla.org
View Known Exploited Vulnerability (KEV) details
Published At-22 Dec, 2022 | 20:15
Updated At-16 Apr, 2025 | 16:15

An OAuth session fixation vulnerability existed in the VPN login flow, where an attacker could craft a custom login URL, convince a VPN user to login via that URL, and obtain authenticated access as that user. This issue is limited to cases where attacker and victim are sharing the same source IP and could allow the ability to view session states and disconnect VPN sessions. This vulnerability affects Mozilla VPN iOS 1.0.7 < (929), Mozilla VPN Windows < 1.2.2, and Mozilla VPN Android 1.1.0 < (1360).

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.6HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Secondary3.17.6HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Type: Primary
Version: 3.1
Base score: 7.6
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Type: Secondary
Version: 3.1
Base score: 7.6
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
CPE Matches
Mozilla Corporation
mozilla
>>vpn>>Versions before 1.0.7_\(929\)(exclusive)
cpe:2.3:a:mozilla:vpn:*:*:*:*:*:iphone_os:*:*
Mozilla Corporation
mozilla
>>vpn>>Versions before 1.2.2(exclusive)
cpe:2.3:a:mozilla:vpn:*:*:*:*:*:windows:*:*
Mozilla Corporation
mozilla
>>vpn>>Versions from 1.0.7(inclusive) to 1.0.7_\(929\)(exclusive)
cpe:2.3:a:mozilla:vpn:*:*:*:*:*:ipados:*:*
Mozilla Corporation
mozilla
>>vpn>>Versions from 1.1.0(inclusive) to 1.1.0_\(1360\)(exclusive)
cpe:2.3:a:mozilla:vpn:*:*:*:*:*:android:*:*
Weaknesses
CWE IDTypeSource
CWE-384Primarynvd@nist.gov
CWE-384Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-384
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-384
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/mozilla-mobile/guardian-vpn-android/commit/981c840276ef3aee98cf5d42993d484ee99b28d9security@mozilla.org
Patch
Third Party Advisory
https://github.com/mozilla-mobile/guardian-vpn-ios/commit/4309f5c9bd2c15cdfd39ac173665fad3f2598b54security@mozilla.org
Patch
Third Party Advisory
https://github.com/mozilla-services/guardian-vpn-windows/commit/ac6f562973a83f6758cd7ab7aa313e863047d41bsecurity@mozilla.org
Patch
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2020-48/security@mozilla.org
Vendor Advisory
https://github.com/mozilla-mobile/guardian-vpn-android/commit/981c840276ef3aee98cf5d42993d484ee99b28d9af854a3a-2127-422b-91ae-364da2661108
Patch
Third Party Advisory
https://github.com/mozilla-mobile/guardian-vpn-ios/commit/4309f5c9bd2c15cdfd39ac173665fad3f2598b54af854a3a-2127-422b-91ae-364da2661108
Patch
Third Party Advisory
https://github.com/mozilla-services/guardian-vpn-windows/commit/ac6f562973a83f6758cd7ab7aa313e863047d41baf854a3a-2127-422b-91ae-364da2661108
Patch
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2020-48/af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Hyperlink: https://github.com/mozilla-mobile/guardian-vpn-android/commit/981c840276ef3aee98cf5d42993d484ee99b28d9
Source: security@mozilla.org
Resource:
Patch
Third Party Advisory
Hyperlink: https://github.com/mozilla-mobile/guardian-vpn-ios/commit/4309f5c9bd2c15cdfd39ac173665fad3f2598b54
Source: security@mozilla.org
Resource:
Patch
Third Party Advisory
Hyperlink: https://github.com/mozilla-services/guardian-vpn-windows/commit/ac6f562973a83f6758cd7ab7aa313e863047d41b
Source: security@mozilla.org
Resource:
Patch
Third Party Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2020-48/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://github.com/mozilla-mobile/guardian-vpn-android/commit/981c840276ef3aee98cf5d42993d484ee99b28d9
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Third Party Advisory
Hyperlink: https://github.com/mozilla-mobile/guardian-vpn-ios/commit/4309f5c9bd2c15cdfd39ac173665fad3f2598b54
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Third Party Advisory
Hyperlink: https://github.com/mozilla-services/guardian-vpn-windows/commit/ac6f562973a83f6758cd7ab7aa313e863047d41b
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Third Party Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2020-48/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Vendor Advisory
Change History
0Changes found
Details not found