CVE-2020-15679
Mozilla VPN OAuth Session Fixation Vulnerability
Description
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).
INFO
Published Date :
Dec. 22, 2022, 8:15 p.m.
Last Modified :
Dec. 29, 2022, 7:16 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
4.7
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-15679.
| URL | Resource |
|---|---|
| https://github.com/mozilla-mobile/guardian-vpn-android/commit/981c840276ef3aee98cf5d42993d484ee99b28d9 | Patch Third Party Advisory |
| https://github.com/mozilla-mobile/guardian-vpn-ios/commit/4309f5c9bd2c15cdfd39ac173665fad3f2598b54 | Patch Third Party Advisory |
| https://github.com/mozilla-services/guardian-vpn-windows/commit/ac6f562973a83f6758cd7ab7aa313e863047d41b | Patch Third Party Advisory |
| https://www.mozilla.org/security/advisories/mfsa2020-48/ | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-15679 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-15679 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Dec. 29, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H Changed Reference Type https://github.com/mozilla-mobile/guardian-vpn-android/commit/981c840276ef3aee98cf5d42993d484ee99b28d9 No Types Assigned https://github.com/mozilla-mobile/guardian-vpn-android/commit/981c840276ef3aee98cf5d42993d484ee99b28d9 Patch, Third Party Advisory Changed Reference Type https://github.com/mozilla-mobile/guardian-vpn-ios/commit/4309f5c9bd2c15cdfd39ac173665fad3f2598b54 No Types Assigned https://github.com/mozilla-mobile/guardian-vpn-ios/commit/4309f5c9bd2c15cdfd39ac173665fad3f2598b54 Patch, Third Party Advisory Changed Reference Type https://github.com/mozilla-services/guardian-vpn-windows/commit/ac6f562973a83f6758cd7ab7aa313e863047d41b No Types Assigned https://github.com/mozilla-services/guardian-vpn-windows/commit/ac6f562973a83f6758cd7ab7aa313e863047d41b Patch, Third Party Advisory Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2020-48/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2020-48/ Vendor Advisory Added CWE NIST CWE-384 Added CPE Configuration OR *cpe:2.3:a:mozilla:vpn:*:*:*:*:*:ipados:*:* versions from (including) 1.0.7 up to (excluding) 1.0.7_\(929\) *cpe:2.3:a:mozilla:vpn:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 1.0.7_\(929\) *cpe:2.3:a:mozilla:vpn:*:*:*:*:*:android:*:* versions from (including) 1.1.0 up to (excluding) 1.1.0_\(1360\) *cpe:2.3:a:mozilla:vpn:*:*:*:*:*:windows:*:* versions up to (excluding) 1.2.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-15679 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-15679
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.15 }} 0.02%
score
0.52092
percentile