CVE-2021-3810

highpriority · track · 30EPSS 0.013 · 70 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.26% (70th) EPSS

CVSS 7.8 · high

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

code-server is vulnerable to Inefficient Regular Expression Complexity

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.8

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · security@huntr.devexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1333USprimaryCWE-1333US

affected products (3)

Products and version ranges known to be affected.

cdr cdr/code-serverunspecified → 3.12.0enisa_euvdEU
coder code-server< 3.12.0nvdUScpe:2.3:a:coder:code-server:*:*:*:*:*:*:*:*
npm code-server< 3.12.0osvUSpkg:npm/code-server

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-49x3-8228-3w3mInefficient Regular Expression Complexity in code-server2021-09-20ghsa · osvUS
code-server is vulnerable to Inefficient Regular Expression Complexity

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2021-09-17modified 2026-06-17

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+599 more

references (7)

External citations — patches, advisories, analysis.

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