CVE-2021-28965
High
Published: 21 April 2021
Published
21 April 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score
0.0058
69.3th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-28965 is a high-severity an unspecified weakness vulnerability in Ruby-Lang Ruby. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 30.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-0797
Vulnerability details
The REXML gem before 3.2.5 in Ruby before 2.6.7, 2.7.x before 2.7.3, and 3.x before 3.0.1 does not properly address XML round-trip issues. An incorrect document can be produced after parsing and serializing.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
ruby-lang
rexml
≤ 3.2.5
ruby-lang
ruby
≤ 2.6.7 · 2.7.0 — 2.7.3 · 3.0.0 — 3.0.1
fedoraproject
fedora
34
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.