Vulnerability · Published Nov 3, 2023 · Assigned by mitre
CVE-2020-28407
High 7.1
In plain English
A high-severity security flaw in the swtpm package (Ubuntu). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.1High
Exploit odds (30 days)0.3%top 79.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | swtpm | 0.6.3-0ubuntu3 | UBUNTU-CVE-2020-28407 |