CVE-2020-7248
HIGHCVSS 7.5/10EPSS 2.49%
Last modified
CVE-2020-7248 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. libubox in OpenWrt before 18.06.7 and 19.x before 19.07.1 has a tagged binary data JSON serialization vulnerability that may cause a stack based buffer overflow.. EPSS estimates a 2.49% chance of exploitation in the next 30 days.
Description
libubox in OpenWrt before 18.06.7 and 19.x before 19.07.1 has a tagged binary data JSON serialization vulnerability that may cause a stack based buffer overflow.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openwrt | Openwrt | >= 18.06.0, < 18.06.7 |
| Openwrt | Openwrt | 19.07.0 |
References
- https://github.com/openwrt/openwrt/commits/masterPatch, Third Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-7248#range-4512438Third Party Advisory, US Government Resource
- https://openwrt.org/advisory/2020-01-31-2Vendor Advisory
- https://openwrt.org/advisory/2020-01-31-2Vendor Advisory
- https://openwrt.org/advisory/2020-01-31-2Vendor Advisory
- https://openwrt.org/advisory/2020-01-31-2Vendor Advisory
- https://github.com/openwrt/openwrt/commits/masterPatch, Third Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-7248#range-4512438Third Party Advisory, US Government Resource
- https://openwrt.org/advisory/2020-01-31-2Vendor Advisory
- https://openwrt.org/advisory/2020-01-31-2Vendor Advisory
- https://openwrt.org/advisory/2020-01-31-2Vendor Advisory
- https://openwrt.org/advisory/2020-01-31-2Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-7248?
libubox in OpenWrt before 18.06.7 and 19.x before 19.07.1 has a tagged binary data JSON serialization vulnerability that may cause a stack based buffer overflow.
How severe is CVE-2020-7248?
CVE-2020-7248 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.49% probability of exploitation in the next 30 days.
How do I fix CVE-2020-7248?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-7248?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST