What is CVE-2021-1511?

CVE-2021-1511 is a high-severity vulnerability in Cisco Sd-wan Vedge Router, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2021-05-06.

How severe is CVE-2021-1511?

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

Buffer overflow in Cisco Sd-wan Vedge Router

CVE-2021-1511

Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities…

Vulnerability class: Buffer Overflow

EPSS: 0.008 (74.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Cisco Sd-wan Vedge Router — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

20210505 Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities (vendor-advisory, x_refsource_CISCO)

Frequently asked questions

What is CVE-2021-1511?: CVE-2021-1511 is a high-severity vulnerability in Cisco Sd-wan Vedge Router, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2021-05-06.
How severe is CVE-2021-1511?: High severity. CVSS v3 base score is 7.5 out of 10.