Vulnerability · Published Jul 3, 2023 · Assigned by mitre
CVE-2023-26258
Critical 9.8
In plain English
A critical-severity security flaw in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 40.0% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)40.0%top 1.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling1Nuclei
Official description
Arcserve UDP through 9.0.6034 allows authentication bypass. The method getVersionInfo at WebServiceImpl/services/FlashServiceImpl leaks the AuthUUID token. This token can be used at /WebServiceImpl/services/VirtualStandbyServiceImpl to obtain a valid session. This session can be used to execute any task as administrator.