CVE-2023-26258
CVSS v3
9.8
CRITICAL
EPSS Score
80.8 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2023-07-03
Frequently asked questions
What is CVE-2023-26258?
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.
Is CVE-2023-26258 actively exploited?
Active exploitation of CVE-2023-26258 has not been confirmed. The EPSS score is 80.8%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-26258?
CVE-2023-26258 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2023-26258 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2023 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).