CVE-2021-33393 is a high-severity vulnerability affecting IPFire 2.25-core155 and earlier, where the backup.pl script in lfs/backup may not be root-owned, allowing an unprivileged user to replace it with a malicious script executed by root. This flaw carries a CVSS score of 8.8 (High) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While not on CISA's KEV catalog, exploit code is publicly available via Metasploit and ExploitDB, indicating a high potential for exploitation, despite limited community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.25CPE matchmatch criteria | cpe:2.3:a:ipfire:ipfire:*:*:*:*:*:*:*:* | ||
2.25CPE matchmatch criteria | cpe:2.3:a:ipfire:ipfire:2.25:core_update141:*:*:*:*:*:* | ||
2.25CPE matchmatch criteria | cpe:2.3:a:ipfire:ipfire:2.25:core_update142:*:*:*:*:*:* | ||
2.25CPE matchmatch criteria | cpe:2.3:a:ipfire:ipfire:2.25:core_update143:*:*:*:*:*:* | ||
2.25CPE matchmatch criteria | cpe:2.3:a:ipfire:ipfire:2.25:core_update144:*:*:*:*:*:* |
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.