CVE-2021-3978 affects Cloudflare's octorpki, where the rsync utility's "-a" flag, when used to copy files, can inadvertently set the suid bit on binaries as root. This vulnerability, if combined with another flaw allowing octorpki to process a malicious TAL file, could lead to local privilege escalation. Rated as Medium severity (CVSS 5.5), it requires local access and low privileges, with a high impact on integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.4.2CPE matchmatch criteria | cpe:2.3:a:cloudflare:octorpki:*:*:*:*:*:*:*:* | ||
>= 0, < v1.4.2CPE match | cpe:2.3:a:cloudflare:octorpki:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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.