Vulnerability Report

CVE-2023-26258

Title: Arcserve Udp Auth Bypass

Auth Bypass

Proof Of Concept

PoC Available for CVE-2023-26258

CWE Category CWE-863

Published Date Jul 03, 2023

Modified Date Nov 21, 2024

Exploit Status Available

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

37.71%

Vulnerability Summary

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.

Impacted Vendors

arcserve 1

Reference Links

https://support.arcserve.com/s/article/KB000015720?language=en_US https://www.arcserve.com/products/arcserve-udp https://www.mdsec.co.uk/2023/06/cve-2023-26258-remote-code-execution-in-arcserve-udp-backup/ https://support.arcserve.com/s/article/KB000015720?language=en_US https://www.arcserve.com/products/arcserve-udp https://www.mdsec.co.uk/2023/06/cve-2023-26258-remote-code-execution-in-arcserve-udp-backup/

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-26258 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/mdsecactivebreach/CVE-2023-26258-ArcServe

View Code

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

July 03, 2023 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.