Vulnerability · Published Jul 22, 2021 · Assigned by mitre
CVE-2020-22284
High 7.5
In plain English
A high-severity security flaw in the lwip package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.2%top 32.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | lwip | 2.1.3+dfsg1-1 | DEBIAN-CVE-2020-22284 |
| Debian:13 | lwip | 2.1.3+dfsg1-1 | DEBIAN-CVE-2020-22284 |
| Debian:14 | lwip | 2.1.3+dfsg1-1 | DEBIAN-CVE-2020-22284 |
Affected products (as reported)
References
- https://savannah.nongnu.org/bugs/index.php?58554 x_refsource_MISC