Vulnerability · Published Oct 6, 2021 · Assigned by redhat
CVE-2021-20264
High 7.8
In plain English
A high-severity security flaw in containers/openjdk. 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 19% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.3%top 80.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An insecure modification flaw in the /etc/passwd file was found in the openjdk-1.8 and openjdk-11 containers. This flaw allows an attacker with access to the container to modify the /etc/passwd and escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | containers/openjdk | openjdk 1.8 |
Weakness: CWE-266
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1932283 x_refsource_MISC