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Fencer Vulns
medium 5.9

CVE-2019-11578 json

auth.c in dhcpcd before 7.2.1 allowed attackers to infer secrets by performing latency attacks.

published 2019-04-28 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-3248

cvss
5.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

auth.c in dhcpcd before 7.2.1 allowed attackers to infer secrets by performing latency attacks.

Patch / fix

  • dhcpcd_project dhcpcd 7.2.1
  • dhcpcd5 Debian 12 7.1.0-2

debian advisories DEBIAN-CVE-2019-11578

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-11578 updated cvss 5.3

dhcpcd: information disclosure in auth.c

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.04% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.