CVE-2021-21346 is a critical vulnerability in XStream, a Java library for XML serialization, affecting versions prior to 1.4.16. This flaw allows a remote attacker to execute arbitrary code by manipulating the input stream, impacting products from vendors like Apache, Debian, Oracle, and NetApp. With a CVSS score of 9.8 (Critical), it presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:* | ||
< 5.15.14CPE matchmatch criteria | cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:* | ||
5.16.0CPE matchmatch criteria | cpe:2.3:a:apache:activemq:5.16.0:*:*:*:*:*:*:* | ||
5.16.1CPE matchmatch criteria | cpe:2.3:a:apache:activemq:5.16.1:*:*:*:*:*:*:* | ||
< 5.5CPE matchmatch criteria | cpe:2.3:a:apache:jmeter:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.