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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

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 9.8 · CriticalBuzz score 25.9

Buzz score

Why this CVE is surfacing

Buzz score total 25.9

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 17.9 · diversity 8.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
17.9
5 evidence mentions in the snapshot
Diversity score
8.0
3 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
5 source links · newest first
  • Security Affairs newsletter Round 426 by Pierluigi Paganini – International editionSecurity Affairs

    A new round of the weekly SecurityAffairs newsletter arrived! Every week the best security articles from Security Affairs are free for you in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. WordPress sites using the Ultimate Member plugin are under attack LockBit gang demands a $70 million […]

    newssecurityaffairs.comJul 2, 2023, 7:11 PM
  • Week in review: 5 free online cybersecurity courses, 8Base ransomware group leaks dataHelp Net Security

    Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Unlocking internet’s secrets via monitoring, data collection, and analysis In this Help Net Security interview, Ryan Woodley, CEO of Netcraft, discusses the importance of monitoring, collecting, and analyzing internet data to gain a profound understanding of the internet. Preparing health systems for cyber risks and insurance coverage In this Help Net Security interview, Dennis Fridrich, VP of Cybersecurity at TRIMEDX, … More →

    newswww.helpnetsecurity.comJul 2, 2023, 8:00 AM
  • Serious Vulnerability Exposes Admin Interface of Arcserve UDP Backup SolutionSecurityWeek

    Researchers publish PoC for a high-severity authentication bypass vulnerability in the Arcserve UDP data backup solution.

    newswww.securityweek.comJun 29, 2023, 1:26 PM
  • PoC for Arcserve UDP authentication bypass flaw published (CVE-2023-26258)Help Net Security

    An authentication bypass vulnerability (CVE-2023-26258) in the Arcserve Unified Data Protection (UDP) enterprise data protection solution can be exploited to compromise admin accounts and take over vulnerable instances, MDSec researchers Juan Manuel Fernández and Sean Doherty have found – and have released a PoC exploit for it. CVE-2023-26258, a PoC exploit and additional tools CVE-2023-26258 was discovered during a simulation of a ransomware attack. “The [MDSec ActiveBreach red team was] attempting to compromise the organization’s … More →

    newswww.helpnetsecurity.comJun 29, 2023, 11:08 AM
  • Experts published PoC exploits for Arcserve UDP authentication bypass issueSecurity Affairs

    Data protection firm Arcserve addressed an authentication bypass vulnerability in its Unified Data Protection (UDP) backup software. Data protection vendor Arcserve addressed a high-severity bypass authentication flaw, tracked as CVE-2023-26258, in its Unified Data Protection (UDP) backup software. Threat actors can exploit the vulnerability to bypass authentication and gain admin privileges. Arcserve Unified Data Protection […]

    newssecurityaffairs.comJun 29, 2023, 7:31 AM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

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