CVE-2023-26258

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 88.36% Top 5%
Third-Party Advisory co.uk
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.arcserve.com/products/arcserve-udp product
https://www.mdsec.co.uk/2023/06/cve-2023-26258-remote-code-execution-in-arcserve-udp-backup/ third party advisory exploit technical description
https://support.arcserve.com/s/article/KB000015720?language=en_US

Frequently Asked Questions

What is the severity of CVE-2023-26258?
CVE-2023-26258 has been scored as a critical severity vulnerability.
How to fix CVE-2023-26258?
To fix CVE-2023-26258, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-26258 being actively exploited in the wild?
It is possible that CVE-2023-26258 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~88% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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