SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-31419

A flaw was discovered in Elasticsearch, affecting the _search API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service.

HIGH 7.5EPSS 61.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 61.1%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

A flaw was discovered in Elasticsearch, affecting the _search API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
61.07% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-121, CWE-787
Affected
elastic/elasticsearch
Source
security@elastic.co
EPSS trend
0%33%65%3 November 2026: 61.07%3 November 20263 November 2026

EPSS 61.1% 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.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.