CVE-2001-0557

NONECVSS 0.0Weaponized

0.0

T. Hauck Jana Webserver 1.46 and earlier allows a remote attacker to view arbitrary files via a '..' (dot dot) attack which is URL encoded (%2e%2e).

CVSS v3: —
EG Score: —
EPSS: 94.1%
KEV: Not listed

Published

August 14, 2001

Last Modified

April 16, 2026

References (8)

cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2001-05/0086.html
cve@mitrehttp://www.kb.cert.org/vuls/id/132099
cve@mitrehttp://www.securityfocus.com/bid/2703
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/6513
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2001-05/0086.html
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/132099
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/2703
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/6513

Data Freshness Timeline

(refreshed 13× in last 7d / 19× 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
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
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2026-05-26 13:41 UTCepss_batch
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2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
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2026-05-24 16:42 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
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2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-20829✓ verified
First seen May 7, 2001
T. Hauck Jana Server 1.45/1.46 - Hex Encoded Directory Traversal
Open source ↗

Frequently asked(4)

What is CVE-2001-0557?

CVE-2001-0557 is a none vulnerability published on August 14, 2001. T. Hauck Jana Webserver 1.46 and earlier allows a remote attacker to view arbitrary files via a '..' (dot dot) attack which is URL encoded (%2e%2e).

When was CVE-2001-0557 disclosed?

CVE-2001-0557 was first published in the National Vulnerability Database on August 14, 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-2001-0557 actively exploited?

CVE-2001-0557 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2001-0557?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2001-0557, 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-2001-0557

📅 Published

🔄 Last Modified

🔗 References (8)