How severe is CVE-2023-41998?

CVE-2023-41998 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-41998 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-41998?

CVE-2023-41998 affects Arcserve Udp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-41998?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-41998 published?

CVE-2023-41998 was published on 2023-11-27 and last updated on 2026-06-17.

CVE-2023-41998

CVE-2023-41998 is a critical-severity vulnerability in Arcserve Udp with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 15% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Arcserve Udp
Published: 2023-11-27
Last modified: 2026-06-17

Description

Arcserve UDP prior to 9.2 contained a vulnerability in the com.ca.arcflash.rps.webservice.RPSService4CPMImpl interface. A routine exists that allows an attacker to upload and execute arbitrary files.

Frequently asked questions

What is CVE-2023-41998?: Arcserve UDP prior to 9.2 contained a vulnerability in the com.ca.arcflash.rps.webservice.RPSService4CPMImpl interface. A routine exists that allows an attacker to upload and execute arbitrary files.
How severe is CVE-2023-41998?: CVE-2023-41998 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-41998 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-41998?: CVE-2023-41998 affects Arcserve Udp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-41998?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-41998 published?: CVE-2023-41998 was published on 2023-11-27 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/tra-2023-37

Affected products (1)

cpe:2.3:a:arcserve:udp:*:*:*:*:*:*:*:*

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