CVE-2021-42010 is a critical CRLF log injection vulnerability affecting Apache Heron versions 0.20.4-incubating and earlier, stemming from insufficient escaping in log statements. With a CVSS score of 9.8, it presents a high risk of complete compromise (confidentiality, integrity, availability) through network-based attacks requiring no user interaction or privileges. Despite its severity, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it shows minimal community discussion or media coverage, suggesting it is not actively exploited in the wild. Organizations using affected Heron versions should upgrade to 0.20.5-incubating immediately to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.20.5-incubatingCPE matchmatch criteria | cpe:2.3:a:apache:heron:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.