CVE-2007-4406

highpriority · track · 31EPSS 0.015 · 74 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.50% (74th) EPSS

CVSS 7.5 · high

Is it mine?

5 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

ircu 2.10.12.01 through 2.10.12.04 does not remove ops privilege after a join from a server with an older timestamp (TS), which allows remote attackers to gain control of a channel during a split.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-264USLLM-inferredCWE-284USLLM-inferred

affected products (5)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
universal ircd ircu= 2.10.12.01nvdUScpe:2.3:a:universal_ircd:ircu:*:*:*:*:*:*:*:*
universal ircd ircu= 2.10.12.02nvdUScpe:2.3:a:universal_ircd:ircu:*:*:*:*:*:*:*:*
universal ircd ircu= 2.10.12.03nvdUScpe:2.3:a:universal_ircd:ircu:*:*:*:*:*:*:*:*
universal ircd ircu= 2.10.12.04nvdUScpe:2.3:a:universal_ircd:ircu:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2007-08-18modified 2026-06-16

references (8)

External citations — patches, advisories, analysis.

scry

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