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MitreCVE-2023-26258

HistoryJul 03, 2023 - 3:15 p.m.

CVE-2023-26258

2023-07-0315:15:10

CWE-863

mitre

web.nvd.nist.gov

cve-2023-26258

arcserve udp

authentication bypass

getversioninfo

flashserviceimpl

nvd

security vulnerability

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.003

Percentile

70.8%

JSON

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.

Affected configurations

Nvd

Node

arcserveudpRange≤9.0.6034

VendorProductVersionCPE
arcserveudp*cpe:2.3:a:arcserve:udp:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
arcserve	udp	*	cpe:2.3:a:arcserve:udp::::::::

References

support.arcserve.com/s/article/KB000015720?language=en_US

www.arcserve.com/products/arcserve-udp

www.mdsec.co.uk/2023/06/cve-2023-26258-remote-code-execution-in-arcserve-udp-backup/

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.003

Percentile

70.8%

JSON

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