AUGUST 4, 2026
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Case File

CVE-2023-26258

CRITICAL · CVSS 9.8 EPSS 37.71%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-07-03 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Its EPSS score suggests a 37.7% probability of exploitation in the next 30 days.

CVE
CVE-2023-26258
Severity
CRITICAL
CVSS
9.8
EPSS
37.71%

Original NVD 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.

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