What is CVE-2019-7313?

CVE-2019-7313 is a medium-severity vulnerability in Buildbot, classified under CRLF Injection. CVSS score: 6.1/10. Published 2019-02-03.

How severe is CVE-2019-7313?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Buildbot

CVE-2019-7313

www/resource.py in Buildbot before 1.8.1 allows CRLF injection in the Location header of /auth/login and /auth/logout via the redirect parameter. This affects other web sites in the same domain.

Vulnerability class: CRLF Injection

Published 2019-02-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.4th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Buildbot

Weakness classification (CWE)

CWE-93 — CRLF Injection

References

github.com/buildbot/buildbot/wiki/CRLF-injection-in-Buildbot-login-and-logout-r… (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2019-7313?: CVE-2019-7313 is a medium-severity vulnerability in Buildbot, classified under CRLF Injection. CVSS score: 6.1/10. Published 2019-02-03.
How severe is CVE-2019-7313?: Medium severity. CVSS v3 base score is 6.1 out of 10.