CVE-2001-0170

NONECVSS 0.0Weaponized

0.0

glibc 2.1.9x and earlier does not properly clear the RESOLV_HOST_CONF, HOSTALIASES, or RES_OPTIONS environmental variables when executing setuid/setgid programs, which could allow local users to read arbitrary files.

CVSS v3: —
EG Score: —
EPSS: 70.9%
KEV: Not listed

Published

March 26, 2001

Last Modified

April 16, 2026

References (10)

cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2001-01/0131.html
cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2001-01/0186.html
cve@mitrehttp://www.redhat.com/support/errata/RHSA-2001-001.html
cve@mitrehttp://www.securityfocus.com/bid/2181
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/5907
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2001-01/0131.html
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2001-01/0186.html
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2001-001.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/2181
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/5907

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
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Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-258✓ verified
First seen Jan 25, 2001
glibc-2.2 / openssh-2.3.0p1 / glibc 2.1.9x - File Read
Open source ↗
Exploit-DBEDB-317✓ verified
First seen Jan 1, 1996
Resolv+ 'RESOLV_HOST_CONF' - Linux Library Command Execution
Open source ↗

Frequently asked(4)

What is CVE-2001-0170?

CVE-2001-0170 is a none vulnerability published on March 26, 2001. glibc 2.1.9x and earlier does not properly clear the RESOLVHOSTCONF, HOSTALIASES, or RES_OPTIONS environmental variables when executing setuid/setgid programs, which could allow local users to read arbitrary files.

When was CVE-2001-0170 disclosed?

CVE-2001-0170 was first published in the National Vulnerability Database on March 26, 2001, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2001-0170 actively exploited?

CVE-2001-0170 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 70.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2001-0170?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2001-0170, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2001-0170

📅 Published

🔄 Last Modified

🔗 References (10)