CVE-2023-26258 is a critical authentication bypass vulnerability affecting Arcserve UDP versions up to 9.0.6034. Attackers can exploit a leaked AuthUUID token from the getVersionInfo method to establish an administrator session, enabling them to execute any task with full privileges. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While not yet in CISA's KEV catalog, exploit code is publicly available via Nuclei templates, and it has garnered significant community discussion and media coverage, indicating a high potential for active exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 9.0.6034CPE matchmatch criteria | cpe:2.3:a:arcserve:udp:*:*:*:*:*:*:*:* |
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.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.