critical9.8
CVE-2021-28235
Etcd-io Improper Authentication vulnerability
Impact
Authentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to escalate privileges via the debug function. This has been fixed in v.[3.5.8](https://github.com/etcd-io/etcd/blob/main/CHANGELOG/CHANGELOG-3.5.md#etcd-server) and was also backported to [3.4](https://github.com/etcd-io/etcd/pull/15655) and [3.5](https://github.com/etcd-io/etcd/pull/15653).
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | go.etcd.io/etcd/v3 | = 3.4.10 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Etcd | Etcd | Version 3.4.10 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/etcd-io/etcd
- https://github.com/etcd-io/etcd/pull/15648
- https://github.com/lucyxss/etcd-3.4.10-test/blob/master/temp4cj.png
- https://github.com/lucyxss/etcd-3.4.10-test/blob/master/temp4cj_2.png
- https://github.com/advisories/GHSA-gmph-wf7j-9gcm
- https://nvd.nist.gov/vuln/detail/CVE-2021-28235
- http://etcd.com