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, see the Details section of this advisory.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.010 (63.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Cisco Sd-Wan Vedge Router
- Cisco Vedge 100
- Cisco Vedge 1000
- Cisco Vedge 1000 Firmware — versions 19.2.99
- Cisco Vedge 100b
- Cisco Vedge 100b Firmware — versions 19.2.99
- Cisco Vedge 100 Firmware — versions 19.2.99
- Cisco Vedge 100m
- Cisco Vedge 100m Firmware — versions 19.2.99
- Cisco Vedge 100wm
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-bu… (vendor-advisory, Vendor Advisory)
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.