CVE-2020-28010
HIGHCVSS 7.8/10EPSS 0.42%
Last modified
CVE-2020-28010 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Exim 4 before 4.94.2 allows Out-of-bounds Write because the main function, while setuid root, copies the current working directory pathname into a buffer that is too small (on some common platforms).. EPSS estimates a 0.42% chance of exploitation in the next 30 days.
Description
Exim 4 before 4.94.2 allows Out-of-bounds Write because the main function, while setuid root, copies the current working directory pathname into a buffer that is too small (on some common platforms).
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Exim | Exim | >= 4.00, < 4.94.2 |
References
- http://www.openwall.com/lists/oss-security/2021/07/22/7Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/07/22/7Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-28010?
Exim 4 before 4.94.2 allows Out-of-bounds Write because the main function, while setuid root, copies the current working directory pathname into a buffer that is too small (on some common platforms).
How severe is CVE-2020-28010?
CVE-2020-28010 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28010?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-28010?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST