VulnerabilityModified
CVE-2020-9492
In Apache Hadoop 3.2.0 to 3.2.1, 3.0.0-alpha1 to 3.1.3, and 2.0.0-alpha to 2.10.0, WebHDFS client might send SPNEGO authorization header to remote URL without proper verification.
HIGH 8.8EPSS 4.49%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Apache Hadoop 3.2.0 to 3.2.1, 3.0.0-alpha1 to 3.1.3, and 2.0.0-alpha to 2.10.0, WebHDFS client might send SPNEGO authorization header to remote URL without proper verification.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.49% probability · 91th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-863
- Affected
- apache/hadoop · apache/solr · oracle/financial services crime and compliance management studio
- Source
- security@apache.org
EPSS 4.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://lists.apache.org/thread.html/r0a534f1cde7555f7208e9f9b791c1ab396d215eaaef283b3a9153429%40%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/r49c9ab444ab1107c6a8be8a0d66602dec32a16d96c2631fec8d309fb%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r4a57de5215494c35c8304cf114be75d42df7abc6c0c54bf163c3e370%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r513758942356ccd0d14538ba18a09903fc72716d74be1cb727ea91ff%40%3Cgeneral.hadoop.apache.org%3EMailing List, Vendor Advisory
- https://lists.apache.org/thread.html/r6341f2a468ced8872a71997aa1786ce036242413484f0fa68dc9ca02%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r6c2fa7949738e9d39606f1d7cd890c93a2633e3357c9aeaf886ea9a6%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r79201a209df9a4e7f761e537434131b4e39eabec4369a7d668904df4%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r79323adac584edab99fd5e4b52a013844b784a5d4b600da0662b33d6%40%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/r9328eb49305e4cacc80e182bfd8a2efd8e640d940e24f5bfd7d5cb26%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r941e9be04efe0f455d20aeac88516c0848decd7e7b1d93d5687060f4%40%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/rb12afaa421d483863c4175e42e5dbd0673917a3cff73f3fca4f8275f%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/rc0057ebf32b646ab47f7f5744a8948332e015c39044cbb9d87ea76cd%40%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/rca4516b00b55b347905df45e5d0432186248223f30497db87aba8710%40%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/re4129c6b9e0410848bbd3761187ce9c19bc1cd491037b253007df99e%40%3Cissues.solr.apache.org%3E
- https://security.netapp.com/advisory/ntap-20210304-0001/Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
- https://lists.apache.org/thread.html/r0a534f1cde7555f7208e9f9b791c1ab396d215eaaef283b3a9153429%40%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/r49c9ab444ab1107c6a8be8a0d66602dec32a16d96c2631fec8d309fb%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r4a57de5215494c35c8304cf114be75d42df7abc6c0c54bf163c3e370%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r513758942356ccd0d14538ba18a09903fc72716d74be1cb727ea91ff%40%3Cgeneral.hadoop.apache.org%3EMailing List, Vendor Advisory
- https://lists.apache.org/thread.html/r6341f2a468ced8872a71997aa1786ce036242413484f0fa68dc9ca02%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r6c2fa7949738e9d39606f1d7cd890c93a2633e3357c9aeaf886ea9a6%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r79201a209df9a4e7f761e537434131b4e39eabec4369a7d668904df4%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r79323adac584edab99fd5e4b52a013844b784a5d4b600da0662b33d6%40%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/r9328eb49305e4cacc80e182bfd8a2efd8e640d940e24f5bfd7d5cb26%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/r941e9be04efe0f455d20aeac88516c0848decd7e7b1d93d5687060f4%40%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/rb12afaa421d483863c4175e42e5dbd0673917a3cff73f3fca4f8275f%40%3Cissues.solr.apache.org%3E
- https://lists.apache.org/thread.html/rc0057ebf32b646ab47f7f5744a8948332e015c39044cbb9d87ea76cd%40%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/rca4516b00b55b347905df45e5d0432186248223f30497db87aba8710%40%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/re4129c6b9e0410848bbd3761187ce9c19bc1cd491037b253007df99e%40%3Cissues.solr.apache.org%3E
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.