CVE-2020-35211 An issue in Atomix v3.1.5 allows unauthorized Atomix nodes to become the lead node.
Attackers can manipulate Raft terms to become the lead node in an Atomix cluster, gaining unauthorized control over the distributed system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-35211?
CVE-2020-35211 is a high-severity authentication bypass vulnerability in n/a, published on 16 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue in Atomix v3.1.5 allows unauthorized Atomix nodes to become the lead node in a target cluster via manipulation of the variable terms in RaftContext.
Which versions are affected by CVE-2020-35211?
2 open source packages ship an affected version, including io.atomix:atomix. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
io.atomix:atomix Maven | All versions to 3.1.5 | None |
io.atomix:atomix Maven | All versions to 3.1.5 | None |
Products include Atomix Atomix.
How do I fix CVE-2020-35211?
No fix has been published for CVE-2020-35211 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-35211 being exploited?
There is no known exploitation of CVE-2020-35211 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2020-35213 An issue in Atomix v3.1.5 allows attackers to cause a denial of service (DoS) via false link event messages sent to a master ONOS node.
- CVE-2020-35214 An issue in Atomix v3.1.5 allows a malicious Atomix node to remove states of ONOS storage via abuse of primitive operations.
- CVE-2020-35209 An issue in Atomix v3.1.5 allows unauthorized Atomix nodes to join a target cluster via providing configuration information.
- CVE-2020-35210 A vulnerability in Atomix v3.1.5 allows attackers to cause a denial of service (DoS) via a Raft session flooding attack using Raft OpenSessionRequest messages.
- CVE-2020-35215 Malicious Atomix node queries expose sensitive information
Sources
Also known as GHSA-4jhc-wjr3-pwh2.