CVE-2020-28407
HIGHCVSS 7.1/10EPSS 0.28%
Last modified
CVE-2020-28407 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. In swtpm before 0.4.2 and 0.5.x before 0.5.1, a local attacker may be able to overwrite arbitrary files via a symlink attack against a temporary file such as TMP2-00.permall.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
In swtpm before 0.4.2 and 0.5.x before 0.5.1, a local attacker may be able to overwrite arbitrary files via a symlink attack against a temporary file such as TMP2-00.permall.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Swtpm Project | Swtpm | < 0.4.2 |
| Swtpm Project | Swtpm | 0.5.0 |
References
- https://bugzilla.suse.com/show_bug.cgi?id=1198395Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=1198395Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-28407?
In swtpm before 0.4.2 and 0.5.x before 0.5.1, a local attacker may be able to overwrite arbitrary files via a symlink attack against a temporary file such as TMP2-00.permall.
How severe is CVE-2020-28407?
CVE-2020-28407 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28407?
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-2020-28407?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST