How severe is CVE-2016-10009?

CVE-2016-10009 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2016-10009 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 37% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10009?

CVE-2016-10009 affects Openbsd Openssh. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-10009?

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-2016-10009 published?

CVE-2016-10009 was published on 2017-01-05 and last updated on 2026-06-17.

CVE-2016-10009

CVE-2016-10009 is a high-severity vulnerability in Openbsd Openssh with a CVSS 3.x base score of 7.3. Its EPSS exploit-prediction score of 37% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-426.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 37% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-426
Affected product: Openbsd Openssh
Published: 2017-01-05
Last modified: 2026-06-17

Description

Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4 allows remote attackers to execute arbitrary local PKCS#11 modules by leveraging control over a forwarded agent-socket.

Frequently asked questions

What is CVE-2016-10009?: Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4 allows remote attackers to execute arbitrary local PKCS#11 modules by leveraging control over a forwarded agent-socket.
How severe is CVE-2016-10009?: CVE-2016-10009 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2016-10009 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 37% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10009?: CVE-2016-10009 affects Openbsd Openssh. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-10009?: 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-2016-10009 published?: CVE-2016-10009 was published on 2017-01-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*

More vulnerabilities in Openbsd Openssh

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CVE-2002-0640 — Critical (CVSS 10.0): Buffer overflow in sshd in OpenSSH 2.3.1 through 3.3 may allow remote attackers to execute arbitrary code via a large…
CVE-2001-0144 — Critical (CVSS 10.0): CORE SDI SSH1 CRC-32 compensation attack detector allows remote attackers to execute arbitrary commands on an SSH…
CVE-2000-0999 — Critical (CVSS 10.0): Format string vulnerabilities in OpenBSD ssh program (and possibly other BSD-based operating systems) allow attackers…
CVE-2000-0525 — Critical (CVSS 10.0): OpenSSH does not properly drop privileges when the UseLogin option is enabled, which allows local users to execute…

All CVEs affecting Openbsd Openssh →

Other CWE-426 (Untrusted Search Path) vulnerabilities

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CVE-2023-30330 — Critical (CVSS 9.8): SoftExpert (SE) Excellence Suite 2.x versions before 2.1.3 is vulnerable to Local File Inclusion in the function…
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Browse all CWE-426 (Untrusted Search Path) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

122.114.69.235 (ipv4-addr)
92.47.46.174 (ipv4-addr)
76.12.128.249 (ipv4-addr)
64.53.7.231 (ipv4-addr)
62.182.118.138 (ipv4-addr)
61.76.136.25 (ipv4-addr)
213.135.175.76 (ipv4-addr)
187.237.47.214 (ipv4-addr)