Buffer overflow in Cisco 1100-4g Integrated Services Router
CVE-2020-3264
A vulnerability in Cisco SD-WAN Solution software could allow an authenticated, local attacker to cause a buffer overflow on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to gain access to information that they are not authorized to access and make changes to the system that they are not authorized to make.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.007 (52.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Cisco 1100-4g Integrated Services Router
- Cisco 1100-4gltegb Integrated Services Router
- Cisco 1100-4gltena Integrated Services Router
- Cisco 1100-6g Integrated Services Router
- Cisco Sd-Wan Solution
- Cisco Sd-Wan Firmware — versions 20.1.0, 20.3.0
- Cisco Vedge 100
- Cisco Vedge 1000
- Cisco Vedge 100b
- Cisco Vedge 100m
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwanbo-… (vendor-advisory, Vendor Advisory)
- github.com/orangecertcc/security-research/security/advisories/GHSA-wwq2-pxrj-v6… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-3264?
- CVE-2020-3264 is a high-severity vulnerability in Cisco 1100-4g Integrated Services Router, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.1/10. Published 2020-03-19.
- How severe is CVE-2020-3264?
- High severity. CVSS v3 base score is 7.1 out of 10.