How severe is CVE-2017-7849?

CVE-2017-7849 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-7849 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7849?

CVE-2017-7849 primarily affects Tenable Nessus. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-7849?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-7849 published?

CVE-2017-7849 was published on 2017-04-19 and last updated on 2026-06-17.

CVE-2017-7849

CVE-2017-7849 is a medium-severity vulnerability in Tenable Nessus with a CVSS 3.x base score of 5.5. 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-732.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Tenable Nessus
Published: 2017-04-19
Last modified: 2026-06-17

Description

Nessus 6.10.x before 6.10.5 was found to be vulnerable to a local denial of service condition due to insecure permissions when running in Agent Mode.

Frequently asked questions

What is CVE-2017-7849?: Nessus 6.10.x before 6.10.5 was found to be vulnerable to a local denial of service condition due to insecure permissions when running in Agent Mode.
How severe is CVE-2017-7849?: CVE-2017-7849 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-7849 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7849?: CVE-2017-7849 primarily affects Tenable Nessus. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-7849?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-7849 published?: CVE-2017-7849 was published on 2017-04-19 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:tenable:nessus:6.10.0:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus:6.10.1:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus:6.10.2:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus:6.10.3:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus:6.10.4:*:*:*:*:*:*:*

More vulnerabilities in Tenable Nessus

CVE-2022-23852 — Critical (CVSS 9.8): Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero…
CVE-2022-22824 — Critical (CVSS 9.8): defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
CVE-2022-22823 — Critical (CVSS 9.8): build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
CVE-2022-22822 — Critical (CVSS 9.8): addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
CVE-2022-4313 — High (CVSS 8.8): A vulnerability was reported where through modifying the scan variables, an authenticated user in Tenable products,…
CVE-2023-0524 — High (CVSS 8.8): As part of our Security Development Lifecycle, a potential privilege escalation issue was identified internally. This…

All CVEs affecting Tenable Nessus →

Other CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities

CVE-2026-9508 — Critical (CVSS 10.0): Incorrect permission settings on a critical resource in Suprema BioStar 2 (versions 2.9.3 through 2.9.11) that allow…
CVE-2025-14988 — Critical (CVSS 10.0): A security issue has been identified in ibaPDA that could allow unauthorized actions on the file system under certain…
CVE-2025-69426 — Critical (CVSS 10.0): The Ruckus vRIoT IoT Controller firmware versions prior to 3.0.0.0 (GA) contain hardcoded credentials for an operating…
CVE-2025-12004 — Critical (CVSS 10.0): Incorrect Permission Assignment for Critical Resource vulnerability in The Wikimedia Foundation Mediawiki - Lockdown…
CVE-2014-125121 — Critical (CVSS 10.0): Array Networks vAPV (version 8.3.2.17) and vxAG (version 9.2.0.34) appliances are affected by a privilege escalation…
CVE-2025-46093 — Critical (CVSS 9.9): LiquidFiles before 4.1.2 supports FTP SITE CHMOD for mode 6777 (setuid and setgid), which allows FTPDrop users to…

Browse all CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities →