Vulnerability · Published Apr 21, 2023 · Assigned by mitre
CVE-2021-33589
High 7.5
In plain English
A high-severity security flaw in the rnp package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 57.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Ribose RNP before 0.15.1 does not implement a required step in a cryptographic algorithm, resulting in weaker encryption than on the tin of the algorithm.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | rnp | 0.15.1-1 | DEBIAN-CVE-2021-33589 |
| Debian:13 | rnp | 0.15.1-1 | DEBIAN-CVE-2021-33589 |
| Debian:14 | rnp | 0.15.1-1 | DEBIAN-CVE-2021-33589 |
| Ubuntu:22.04:LTS | rnp | no fix listed | UBUNTU-CVE-2021-33589 |
| Ubuntu:24.04:LTS | rnp | no fix listed | UBUNTU-CVE-2021-33589 |
| Ubuntu:25.10 | rnp | no fix listed | UBUNTU-CVE-2021-33589 |
| Ubuntu:26.04:LTS | rnp | no fix listed | UBUNTU-CVE-2021-33589 |
| Ubuntu:26.10 | rnp | no fix listed | UBUNTU-CVE-2021-33589 |
Affected products (as reported)
Weakness: CWE-522 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N