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.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

37.71% chance of exploitation in the next 30 days, 98th percentile

Nuclei

critical · CWE-863

Published

2023-07-03

Updated

2024-11-25

Proof-of-concept exploits (1)

• mdsecactivebreach/CVE-2023-26258-ArcServe24★ · 2024-06-17

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-26258.yaml

References

• CVE Record
• NVD entry

Related

• CVE-2018-4878
• CVE-2023-26256
• CVE-2023-26262
• CVE-2023-26255
• CVE-2023-26269
• CVE-2023-2624