What is CVE-2020-15879?

CVE-2020-15879 is a high-severity vulnerability in Bitwarden Server, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2020-07-21.

How severe is CVE-2020-15879?

High severity. CVSS v3 base score is 7.5 out of 10.

SSRF in Bitwarden Server

CVE-2020-15879

Bitwarden Server 1.35.1 allows SSRF because it does not consider certain IPv6 addresses (ones beginning with fc, fd, fe, or ff, and the :: address) and certain IPv4 addresses (0.0.0.0/8, 127.0.0.0/8, and 169.254.0.0/16).

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.027 (84.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Bitwarden Server — versions 1.35.1
N/a — versions n/a

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-15879?: CVE-2020-15879 is a high-severity vulnerability in Bitwarden Server, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2020-07-21.
How severe is CVE-2020-15879?: High severity. CVSS v3 base score is 7.5 out of 10.