CVE-2021-22145
A memory disclosure vulnerability was identified in Elasticsearch 7.10.0 to 7.13.3 error reporting.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 76.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
A memory disclosure vulnerability was identified in Elasticsearch 7.10.0 to 7.13.3 error reporting. A user with the ability to submit arbitrary queries to Elasticsearch could submit a malformed query that would result in an error message returned containing previously used portions of a data buffer. This buffer could contain sensitive information such as Elasticsearch documents or authentication details.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 76.25% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · first 23 July 2021
- CISA KEV
- Not listed
- Weakness
- CWE-200, CWE-209
- Affected
- elastic/elasticsearch · oracle/communications cloud native core automated test suite
- Source
- security@elastic.co
EPSS 76.2% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- https://discuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177Vendor Advisory
- https://gist.github.com/lucasdrufva/f9c5d7c9e26ee087b736d727953afd34
- https://security.netapp.com/advisory/ntap-20210827-0006/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- http://packetstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- https://discuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210827-0006/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.