What is CVE-2021-26928?

CVE-2021-26928 is a medium-severity vulnerability in Nic Bird, classified under Missing Authentication for Critical Function. CVSS score: 6.8/10. Published 2021-06-04.

How severe is CVE-2021-26928?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Is CVE-2021-26928 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Nic Bird

CVE-2021-26928

BIRD through 2.0.7 does not provide functionality for password authentication of BGP peers. Because of this, products that use BIRD (which may, for example, include Tigera products in some configurations, as well as products of other vendo…

Vulnerability class: Broken Authentication

EPSS: 0.010 (59.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

Nic Bird
N/a — versions n/a

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

n0-traces/cve_

References

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

Frequently asked questions

What is CVE-2021-26928?: CVE-2021-26928 is a medium-severity vulnerability in Nic Bird, classified under Missing Authentication for Critical Function. CVSS score: 6.8/10. Published 2021-06-04.
How severe is CVE-2021-26928?: Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2021-26928 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.