Is CVE-2017-12477 in the CISA KEV catalog?

No. CVE-2017-12477 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-12477?

CVE-2017-12477 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2017-12477?

CVE-2017-12477 has an EPSS score of 68.22% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-12477?

Upgrade unitrends backup to 10.0 or later.

CVE & CISA-KEV Catalog

CVE-2017-12477

CRITICALEPSS 99th pctl

9.8

CVSS v3

NVD

Description

It was discovered that the bpserverd proprietary protocol in Unitrends Backup (UB) before 10.0.0, as invoked through xinetd, has an issue in which its authentication can be bypassed. A remote attacker could use this issue to execute arbitrary commands with root privilege on the target system.

CWE-287Improper Authentication

How to fix

Remediation Available

unitrends backupNVD

Affected:< 10.0Fixed in:10.0CVE-2017-12477derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

68.22%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Exploit1

exploit-db.com

Vendor Advisory1

support.unitrends.com

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.