Fiche vulnérabilité
CVE-2021-27905 : faille critique apache solr (CVSS 9.8)
Description
The ReplicationHandler (normally registered at "/replication" under a Solr core) in Apache Solr has a "masterUrl" (also "leaderUrl" alias) parameter that is used to designate another ReplicationHandler on another Solr core to replicate index data into the local core. To prevent a SSRF vulnerability, Solr ought to check these parameters against a similar configuration it uses for the "shards" parameter. Prior to this bug getting fixed, it did not. This problem affects essentially all Solr versions prior to it getting fixed in 8.8.2.
En bref
- Sévérité
- Critique (CVSS 9.8)
- Vecteur CVSS
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 13 avr. 2021
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- apache solr
Références
- Fiche CVE-2021-27905 sur le NVD (NIST)
- lists.apache.org/thread…
- lists.apache.org/thread…
- lists.apache.org/thread…
- lists.apache.org/thread…
- lists.apache.org/thread…
- lists.apache.org/thread…
- lists.apache.org/thread…
- lists.apache.org/thread…
- lists.apache.org/thread…
- lists.apache.org/thread…
- lists.apache.org/thread…
- security.netapp.com/advisory/ntap-20210611-0009/