Linux Kernel 2.6.20.1 RPC Portmapper Source IP Address denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Linux Kernel 2.6.20.1. This affects an unknown part of the component RPC Portmapper. Such manipulation with the input 127.0.0.1 as part of Source IP Address leads to denial of service. This vulnerability is listed as CVE-1999-0195. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.20.1 (Operating System) and classified as problematic. Affected by this issue is an unknown code block of the component RPC Portmapper. The manipulation with the input value 127.0.0.1 leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

denial of service in rpc portmapper allows attackers to register or unregister rpc services or spoof rpc services using a spoofed source ip address such as 127.0.0.1.

The issue has been introduced in 02/05/2007. The weakness was presented 07/01/1997. This vulnerability is handled as CVE-1999-0195. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Upgrading eliminates this vulnerability.

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Affected

  • Linux Kernel 2.6.20.1
  • SGI IRIX

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Denial of service
CWE: CWE-404
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/01/1997 🔍
07/01/1997 +0 days 🔍
02/05/2007 +3506 days 🔍
06/18/2014 +2690 days 🔍
04/16/2026 +4320 days 🔍

Sourcesinfo

Vendor: kernel.org

Status: Confirmed

CVE: CVE-1999-0195 (🔍)
GCVE (CVE): GCVE-0-1999-0195
GCVE (VulDB): GCVE-100-13928

Entryinfo

Created: 06/18/2014 12:03
Updated: 04/16/2026 21:04
Changes: 06/18/2014 12:03 (39), 04/13/2019 17:49 (10), 04/16/2026 21:04 (18)
Complete: 🔍
Cache ID: 216::103

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