Vulnerability · Published May 6, 2021 · Assigned by mitre
CVE-2020-28015
High 7.8
In plain English
A high-severity security flaw in the exim package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.4%top 68.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. Local users can alter the behavior of root processes because a recipient address can have a newline character.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | exim | 4.94.2-r0 | ALPINE-CVE-2020-28015 |
| Alpine:v3.21 | exim | 4.94.2-r0 | ALPINE-CVE-2020-28015 |
| Alpine:v3.22 | exim | 4.94.2-r0 | ALPINE-CVE-2020-28015 |
| Alpine:v3.23 | exim | 4.94.2-r0 | ALPINE-CVE-2020-28015 |
| Alpine:v3.24 | exim | 4.94.2-r0 | ALPINE-CVE-2020-28015 |
| Debian:12 | exim4 | 4.94.2-1 | DEBIAN-CVE-2020-28015 |
| Debian:13 | exim4 | 4.94.2-1 | DEBIAN-CVE-2020-28015 |
| Debian:14 | exim4 | 4.94.2-1 | DEBIAN-CVE-2020-28015 |