Acme Labs thttpd 2.16/2.17/2.18/2.19 path traversal

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Acme Labs thttpd 2.16/2.17/2.18/2.19. The impacted element is an unknown function. This manipulation causes path traversal. This vulnerability is handled as CVE-2000-0900. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Acme Labs thttpd 2.16/2.17/2.18/2.19 (Web Server). Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Directory traversal vulnerability in ssi CGI program in thttpd 2.19 and earlier allows remote attackers to read arbitrary files via a "%2e%2e" string, a variation of the .. (dot dot) attack.

The weakness was released 12/19/2000 (Website). It is possible to read the advisory at xforce.iss.net. This vulnerability is known as CVE-2000-0900. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 10523 (thttpd ssi Servlet Encoded Traversal Arbitrary File Access), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86280 (Acme THTTPd Path Disclosure Vulnerability).

Upgrading to version 2.20 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5313), Tenable (10523), SecurityFocus (BID 1737†) and Vulnerability Center (SBV-264†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10523
Nessus Name: thttpd ssi Servlet Encoded Traversal Arbitrary File Access
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 10523
OpenVAS Name: thttpd ssi file retrieval
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: thttpd 2.20

Timelineinfo

10/02/2000 🔍
10/03/2000 +1 days 🔍
12/19/2000 +77 days 🔍
12/19/2000 +0 days 🔍
12/19/2000 +0 days 🔍
11/26/2002 +707 days 🔍
07/01/2014 +4235 days 🔍
10/12/2025 +4121 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Status: Confirmed

CVE: CVE-2000-0900 (🔍)
GCVE (CVE): GCVE-0-2000-0900
GCVE (VulDB): GCVE-100-16111
X-Force: 5313
SecurityFocus: 1737 - Acme thttpd Arbitrary World-Readable File Disclosure Vulnerability
Vulnerability Center: 264 - ssi CGI Directory Traversal Vulnerability, Low

Entryinfo

Created: 07/01/2014 17:17
Updated: 10/12/2025 08:55
Changes: 07/01/2014 17:17 (67), 05/05/2019 20:43 (2), 10/12/2025 08:55 (20)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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