CVE-2020-22570 Denial of service in n/a
Remote attackers can crash the Memcached daemon by sending a crafted meta command, requiring an upgrade to a patched version.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-22570?
CVE-2020-22570 is a high-severity denial of service vulnerability in n/a, published on 22 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Memcached 1.6.0 before 1.6.3 allows remote attackers to cause a denial of service (daemon crash) via a crafted meta command.
Weakness: CWE-77
Which versions are affected by CVE-2020-22570?
1 open source package ship an affected version, including memcached. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
memcached Bitnami | From 1.6.0 | 1.6.3 |
Products include Memcached Memcached.
How do I fix CVE-2020-22570?
Upgrade memcached to 1.6.3 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-22570 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-22570 exists.
Other vulnerabilities in n/a
Sources
Also known as BIT-memcached-2020-22570, DEBIAN-CVE-2020-22570, GHSA-fq43-fxrw-vjrh.