Vulnerability Details : CVE-2021-32816
ProtonMail Web Client is the official AngularJS web client for the ProtonMail secure email service. ProtonMail Web Client before version 3.16.60 has a regular expression denial-of-service vulnerability. This was fixed in commit 6687fb. There is a full report available in the referenced GHSL-2021-027.
Vulnerability category: Denial of service
Products affected by CVE-2021-32816
- cpe:2.3:a:protonmail:protonmail:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-32816
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 45 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-32816
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
GitHub, Inc. |
CWE ids for CVE-2021-32816
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: security-advisories@github.com (Primary)
References for CVE-2021-32816
-
https://securitylab.github.com/advisories/GHSL-2021-027-redos-ProtonMail/
GHSL-2021-027: Regular expression Denial of Service in ProtonMail - CVE-2021-32816 | GitHub Security LabExploit;Third Party Advisory
-
https://github.com/ProtonMail/WebClient/commit/6687fbb867ef872c96cf4fde68cb6e9c58d3fddc
Improve autocrypt parsing · ProtonMail/WebClient@6687fbb · GitHubPatch;Third Party Advisory
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