CVE-2023-3261

CVE-2023-3261 is a high-severity vulnerability in Cyberpower Powerpanel Server with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

• Severity: High (CVSS 3.x base score 7.5)
• EPSS exploit prediction: 1% (50th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-78
• Affected product: Cyberpower Powerpanel Server
• Published: 2023-08-14
• Last modified: 2026-06-17

Description

The Dataprobe iBoot PDU running firmware version 1.43.03312023 or earlier contains a buffer overflow vulnerability in the librta.so.0.0.0 library.Successful exploitation could cause denial of service or unexpected behavior with respect to all interactions relying on the targeted vulnerable binary, including the ability to log in via the web server.

Frequently asked questions

What is CVE-2023-3261?

The Dataprobe iBoot PDU running firmware version 1.43.03312023 or earlier contains a buffer overflow vulnerability in the librta.so.0.0.0 library.Successful exploitation could cause denial of service or unexpected behavior with respect to all interactions relying on the targeted vulnerable binary, including the ability to log in via the web server.

How severe is CVE-2023-3261?

CVE-2023-3261 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-3261 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3261?

CVE-2023-3261 primarily affects Cyberpower Powerpanel Server. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-3261?

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

When was CVE-2023-3261 published?

CVE-2023-3261 was published on 2023-08-14 and last updated on 2026-06-17.

References

• https://www.trellix.com/en-us/about/newsroom/stories/research/the-threat-lurking-in-data-centers.html

Affected products (23)

• cpe:2.3:a:cyberpower:powerpanel_server:*:*:*:*:enterprise:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu4a-c10_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu4a-c20_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu4a-n15_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu4a-n20_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu4-c20_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu4-n20_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu4sa-c10_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu4sa-c20_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu4sa-n15_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu4sa-n20_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu8a-2c10_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu8a-2c20_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu8a-2n15_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu8a-2n20_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu8a-c10_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu8a-c20_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu8a-n15_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu8a-n20_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu8sa-2n15_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu8sa-c10_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu8sa-n15_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:dataprobe:iboot-pdu8sa-n20_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Cyberpower Powerpanel Server

• CVE-2023-3266 — Critical (CVSS 9.8): A non-feature complete authentication mechanism exists in the production application allowing an attacker to bypass all…
• CVE-2023-3265 — Critical (CVSS 9.8): An authentication bypass exists on CyberPower PowerPanel Enterprise by failing to sanitize meta-characters from the…
• CVE-2023-3267 — Critical (CVSS 9.1): When adding a remote backup location, an authenticated user can pass arbitrary OS commands through the username field.…
• CVE-2023-3260 — High (CVSS 7.2): The Dataprobe iBoot PDU running firmware version 1.43.03312023 or earlier is vulnerable to command injection via the…
• CVE-2023-3264 — Medium (CVSS 6.7): The Dataprobe iBoot PDU running firmware version 1.43.03312023 or earlier uses hard-coded credentials for all…

All CVEs affecting Cyberpower Powerpanel Server →

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