CVE-2021-42839 is a critical file upload vulnerability in Grand Vice info Co. webopac7 that allows authenticated remote attackers to upload and execute arbitrary code due to insufficient filtering of special characters. This flaw carries a CVSS score of 8.8 (High), indicating a low attack complexity and high potential for compromise of confidentiality, integrity, and availability. While no public exploits or active exploitation have been observed, and community discussion is minimal, the vulnerability poses a significant risk to affected systems.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.8.20160701CPE matchmatch criteria | cpe:2.3:a:vice:webopac:1.8.20160701:*:*:*:*:*:*:* | ||
7.1.20160701CPE matchmatch criteria | cpe:2.3:a:vice:webopac:7.1.20160701:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.