VDB
CVE-2020-28020
CVE-2020-28020
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction.
EPSS 7.94% · 94.6th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
7.94%
94.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:14.04:LTS | exim4 | 4.82-3ubuntu2.3, 4.80-7ubuntu3, 4.82-3ubuntu2.1 |
| Ubuntu:18.04:LTS | exim4 | 4.90.1-1ubuntu1, 0, 4.89-5ubuntu1 |
| Ubuntu:Pro:16.04:LTS | exim4 | 0, 4.86.2-2ubuntu2.1, 4.86.2-2ubuntu2.3 |
Timeline
- CVE Published
- May 4, 2021 PoC Published
- May 7, 2021 EPSS Score
- Sep 4, 2021 EPSS Score
- Oct 11, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Jan 12, 2022 EPSS Score
- Mar 15, 2022 EPSS Score
- May 16, 2022 EPSS Score
- Sep 19, 2022 EPSS Score
- Jan 21, 2023 EPSS Score
- Mar 24, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-28020 third-party-advisory
- https://ubuntu.com/security/notices/USN-4934-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4934-2 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-28020 third-party-advisory
- Multiples vulnérabilités dans Exim advisory