How severe is CVE-1999-0170?

CVE-1999-0170 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-1999-0170 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0170?

CVE-1999-0170 affects Digital Ultrix. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0170?

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-1999-0170 published?

CVE-1999-0170 was published on 1997-01-01 and last updated on 2026-06-16.

CVE-1999-0170

CVE-1999-0170 is a high-severity vulnerability in Digital Ultrix with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 18% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 18% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Digital Ultrix
Published: 1997-01-01
Last modified: 2026-06-16

Description

Remote attackers can mount an NFS file system in Ultrix or OSF, even if it is denied on the access list.

Frequently asked questions

What is CVE-1999-0170?: Remote attackers can mount an NFS file system in Ultrix or OSF, even if it is denied on the access list.
How severe is CVE-1999-0170?: CVE-1999-0170 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-1999-0170 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0170?: CVE-1999-0170 affects Digital Ultrix. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0170?: 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-1999-0170 published?: CVE-1999-0170 was published on 1997-01-01 and last updated on 2026-06-16.

References

https://www.cve.org/CVERecord?id=CVE-1999-0170

Affected products (1)

cpe:2.3:o:digital:ultrix:*:*:*:*:*:*:*:*

More vulnerabilities in Digital Ultrix

CVE-1999-0046 — Critical (CVSS 10.0): Buffer overflow of rlogin program using TERM environmental variable.
CVE-1999-1032 — Critical (CVSS 10.0): Vulnerability in LAT/Telnet Gateway (lattelnet) on Ultrix 4.1 and 4.2 allows attackers to gain root privileges.
CVE-2002-1128 — High (CVSS 7.2): Buffer overflow in inc mail utility for Compaq Tru64/OSF1 3.x allows local users to execute arbitrary code via a long…
CVE-1999-1194 — High (CVSS 7.2): chroot in Digital Ultrix 4.1 and 4.0 is insecurely installed, which allows local users to gain privileges.
CVE-1999-1225 — Medium (CVSS 5.0): rpc.mountd on Linux, Ultrix, and possibly other operating systems, allows remote attackers to determine the existence…
CVE-1999-1415 — Medium (CVSS 4.6): Vulnerability in /usr/bin/mail in DEC ULTRIX before 4.2 allows local users to gain privileges.

All CVEs affecting Digital Ultrix →