VDB
CVE-2020-28020
CVE-2020-28020
PUBLISHED
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 26.59% · 96.4th percentile
Risk Scores
EPSS Score
26.59%
96.4th 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 |
Exploit Intelligence
- ET EXPLOIT Exim receive_msg Integer Overflow Attempt Inbound M2 (CVE-2020-28020) (emergingthreats)
- ET EXPLOIT Exim receive_msg Integer Overflow Attempt Inbound M2 (CVE-2020-28020) (emergingthreats)
- ET EXPLOIT Exim receive_msg Integer Overflow Attempt Inbound M1 (CVE-2020-28020) (emergingthreats)
- ET EXPLOIT Exim receive_msg Integer Overflow Attempt Inbound M1 (CVE-2020-28020) (emergingthreats)
- [oss-security] 20210725 CVE-2020-28020: Integer overflow in Exim that can lead to RCE: Some questions to the Qualys researchers who designed the exploit (cve.org)
- [oss-security] 20210802 Re: CVE-2020-28020: Integer overflow in Exim that can lead to RCE: Some questions to the Qualys researchers who designed the exploit (cve.org)
Timeline
- May 4, 2021 PoC Published
- May 4, 2021 CVE Published
- May 7, 2021 EPSS Score
- Sep 4, 2021 EPSS Score
- Oct 11, 2021 EPSS Score
- Nov 11, 2021 EPSS Score
- Jan 12, 2022 EPSS Score
- Mar 15, 2022 EPSS Score
- May 16, 2022 EPSS Score
- Sep 17, 2022 EPSS Score
- Jan 19, 2023 EPSS Score
- Mar 7, 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