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CVE-2023-42000

29
FAUCET Score

CVE-2023-42000 is a critical path traversal vulnerability affecting Arcserve UDP versions prior to 9.2. An unauthenticated remote attacker can exploit this flaw in the FileHandlingServlet.doUpload() function to upload arbitrary files to any location on the file system where the UDP agent is installed. With a CVSS score of 9.8, this vulnerability presents a severe risk, allowing for complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential for devastating impact remains high.

Impacted Technologies

VendorProductVersion(s)CPE
< 9.2CPE matchmatch criteria
cpe:2.3:a:arcserve:udp:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.47%
Probability of exploitation in next 30 days
EPSS Percentile
71.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0147 is in the 58th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

markusprojectvendor investigatingvia llm_extracted

Vendor Advisories (1)

markusprojectllm-markusproject-05859ec6bb641dbcCRITICAL

Arcserve Unified Data Protection Multiple Vulnerabilities

Nov 27, 2023

References

tenable.com / security/research/tra-2023-37
ExploitThird Party Advisory