VDB
CVE-2021-20236
CVE-2021-20236
PUBLISHED
A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
EPSS 0.32% · 55.1th percentile
Risk Scores
EPSS Score
0.32%
55.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:16.04:LTS | zeromq3 | 0, 4.0.5+dfsg-3ubuntu2, 4.1.4-7 |
| Ubuntu:Pro:14.04:LTS | zeromq3 | 0, 3.2.3+dfsg-2, 3.2.4+dfsg-1 |
| Ubuntu:Pro:18.04:LTS | zeromq3 | 0, 4.2.1-4ubuntu1, 4.2.3-1 |
| Ubuntu:Pro:20.04:LTS | zeromq3 | 0, 4.3.2-1, 4.3.2-2ubuntu1 |
Exploit Intelligence
Timeline
- May 28, 2021 CVE Published
- May 29, 2021 EPSS Score
- Jul 31, 2021 EPSS Score
- Sep 30, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Jan 31, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 2, 2022 EPSS Score
- Aug 3, 2022 EPSS Score
- Oct 3, 2022 EPSS Score
- Dec 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-20236 third-party-advisory
- https://github.com/zeromq/libzmq/security/advisories/GHSA-qq65-x72m-9wr8 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-20236 third-party-advisory