CVE-2021-29943
9.1
CRITICAL · CVSS 3.1 · EPSS 4.7% (pctl 92)
In your normal cycle
Critical by CVSS (9.1), but no sign of active exploitation.
Description
When using ConfigurableInternodeAuthHadoopPlugin for authentication, Apache Solr versions prior to 8.8.2 would forward/proxy distributed requests using server credentials instead of original client credentials. This would result in incorrect authorization resolution on the receiving hosts.
Scoring
| CVSS | 9.1 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| EPSS | 4.67% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-863 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-04-13 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| apache | solr |
References
- https://lists.apache.org/thread.html/r91dd0ff556e0c9aab4c92852e0e540c59d4633718ce12881558cf44d%40%3Cusers.solr.apache.org%3E
- https://security.netapp.com/advisory/ntap-20210604-0009/
- https://lists.apache.org/thread.html/r91dd0ff556e0c9aab4c92852e0e540c59d4633718ce12881558cf44d%40%3Cusers.solr.apache.org%3E
- https://security.netapp.com/advisory/ntap-20210604-0009/
→ the Explorer · watch your stack · NVD