Vulnerability in Rpm
CVE-2021-3421
A flaw was found in the RPM package in the read functionality. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package or compromise an RPM repository, to cause RPM database corruption. The highest threat from this vulnerability is to data integrity. This flaw affects RPM versions before 4.17.0-alpha.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.007 (50.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Rpm
- Fedoraproject Fedora — versions 32, 33, 34
- Red Hat Enterprise Linux — versions 8.0
- Rpm — versions rpm 4.17.0-alpha
Weakness classification (CWE)
References
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/202107-43 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3421?
- CVE-2021-3421 is a medium-severity vulnerability in Rpm, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.5/10. Published 2021-05-19.
- How severe is CVE-2021-3421?
- Medium severity. CVSS v3 base score is 5.5 out of 10.