{"cve":"CVE-2020-15112","nvd":{"published":"2020-08-05T20:15:14.553","modified":"2026-06-17T02:56:04.637","status":"Modified","description":"In etcd before versions 3.3.23 and 3.4.10, it is possible to have an entry index greater then the number of entries in the ReadAll method in wal/wal.go. This could cause issues when WAL entries are being read during consensus as an arbitrary etcd consensus participant could go down from a runtime panic when reading the entry.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-129","CWE-20"],"references":["https://github.com/etcd-io/etcd/security/advisories/GHSA-m332-53r6-2w93","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6B6R43Y7M3DCHWK3L3UVGE2K6WWECMP/","https://github.com/etcd-io/etcd/security/advisories/GHSA-m332-53r6-2w93","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6B6R43Y7M3DCHWK3L3UVGE2K6WWECMP/"],"products":["etcd:etcd","fedoraproject:fedora"],"source":"nvd","synced_at":"2026-10-19T21:06:22.076270124+00:00"},"epss":{"cve":"CVE-2020-15112","score":0.01256,"percentile":0.69531,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-m332-53r6-2w93","url":"https://osv.dev/vulnerability/GHSA-m332-53r6-2w93","summary":"etcd's WAL `ReadAll`  method vulnerable to an entry with large index causing panic","modified":"2026-09-10T03:49:49.732993941Z","packages":[{"ecosystem":"Go","name":"go.etcd.io/etcd/v3","purl":"pkg:golang/go.etcd.io/etcd/v3","ranges":["<3.3.23"],"fixed":["3.3.23"]},{"ecosystem":"Go","name":"go.etcd.io/etcd/v3","purl":"pkg:golang/go.etcd.io/etcd/v3","ranges":[">=3.4.0 <3.4.10"],"fixed":["3.4.10"]}]},{"id":"GHSA-p4g4-wgrh-qrg2","url":"https://osv.dev/vulnerability/GHSA-p4g4-wgrh-qrg2","summary":"Panic due to malformed WALs in go.etcd.io/etcd","modified":"2026-09-10T03:50:07.866746748Z","packages":[{"ecosystem":"Go","name":"go.etcd.io/etcd","purl":"pkg:golang/go.etcd.io/etcd","ranges":["<0.5.0-alpha.5.0.20200423152442-f4b650b51dc4"],"fixed":["0.5.0-alpha.5.0.20200423152442-f4b650b51dc4"]}]},{"id":"GO-2020-0005","url":"https://osv.dev/vulnerability/GO-2020-0005","summary":"Panic due to malformed WALs in go.etcd.io/etcd","modified":"2026-02-04T03:10:38.304879Z","packages":[{"ecosystem":"Go","name":"go.etcd.io/etcd","purl":"pkg:golang/go.etcd.io/etcd","ranges":["<0.5.0-alpha.5.0.20200423152442-f4b650b51dc4"],"fixed":["0.5.0-alpha.5.0.20200423152442-f4b650b51dc4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}