VDB
CVE-2020-22284
CVE-2020-22284
PUBLISHED
CVSS 7.5 HIGH
A buffer overflow vulnerability in the zepif_linkoutput() function of Free Software Foundation lwIP git head version and version 2.1.2 allows attackers to access sensitive information via a crafted 6LoWPAN packet.
EPSS 1.18% · 66.6th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
1.18%
66.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:24.04:LTS | lwip | 2.2.0+dfsg1-4, 2.2.0+dfsg1-5, 2.2.0+dfsg1-6 |
| Ubuntu:20.04:LTS | lwip | 0, 2.1.2-3, 2.1.2-5.1 |
| Ubuntu:22.04:LTS | lwip | 0, 2.1.3+dfsg1-1, 2.1.2+dfsg1-9 |
| Ubuntu:25.10 | lwip | 0, 2.2.1+dfsg1-1, 2.2.1+dfsg1-2 |
Timeline
- Jul 22, 2021 CVE Published
- Jul 23, 2021 EPSS Score
- Jul 23, 2021 PoC Published
- Sep 21, 2021 EPSS Score
- Nov 20, 2021 EPSS Score
- Jan 19, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 20, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 18, 2022 EPSS Score
- Jul 18, 2022 EPSS Score
- Nov 15, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-22284 third-party-advisory
- https://savannah.nongnu.org/bugs/index.php?58554 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-22284 third-party-advisory