SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-8277

A Node.js application that allows an attacker to trigger a DNS request for a host of their choice could trigger a Denial of Service in versions < 15.2.1, < 14.15.1, and < 12.19.1 by getting the application to resolve a DNS record with a larger number of…

HIGH 7.5EPSS 54.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 54.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

A Node.js application that allows an attacker to trigger a DNS request for a host of their choice could trigger a Denial of Service in versions < 15.2.1, < 14.15.1, and < 12.19.1 by getting the application to resolve a DNS record with a larger number of responses. This is fixed in 15.2.1, 14.15.1, and 12.19.1.

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
54.16% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-400
Affected
nodejs/node.js · fedoraproject/fedora · oracle/blockchain platform · oracle/graalvm · oracle/jd edwards enterpriseone tools · oracle/mysql cluster · oracle/retail xstore point of service · c-ares project/c-ares
Source
support@hackerone.com
EPSS trend
0%28%55%3 November 2026: 54.16%3 November 20263 November 2026

EPSS 54.2% 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.

References

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