| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in SSH Server. It has been classified as critical. This affects an unknown function of the file .rhosts of the component Authentication. This manipulation causes improper authentication. This vulnerability is handled as CVE-1999-0547. Additionally, an exploit exists. This vulnerability is historically significant due to its background and the way it was received. It is suggested to update the configuration settings.
Details
A vulnerability has been found in SSH Server (SSH Server Software) (unknown version) and classified as very critical. Affected by this vulnerability is an unknown code block of the file .rhosts of the component Authentication. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
An SSH server allows authentication through the .rhosts file.
The weakness was released 01/01/1999. This vulnerability is known as CVE-1999-0547. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/17/2026). Due to its background and reception, this vulnerability has a historic impact.
It is declared as highly functional.
It is possible to mitigate the problem by applying the configuration setting .Proper firewalling of tcp/22 (ssh) is able to address this issue. The best possible mitigation is suggested to be the change of configuration settings.
The vulnerability is also documented in the databases at X-Force (315) and Vulnerability Center (SBV-708†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB Meta Temp Score: 9.2
VulDB Base Score: 9.8
VulDB Temp Score: 9.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Improper authenticationCWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Highly functional
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: ConfigStatus: 🔍
0-Day Time: 🔍
Firewalling: 🔍
Timeline
01/01/1999 🔍01/01/1999 🔍
01/01/1999 🔍
01/23/2003 🔍
06/19/2014 🔍
04/17/2026 🔍
Sources
Status: Not definedCVE: CVE-1999-0547 (🔍)
GCVE (CVE): GCVE-0-1999-0547
GCVE (VulDB): GCVE-100-14341
X-Force: 315
Vulnerability Center: 708 - SSH Server .rhosts File Authentication, Medium
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 06/20/2014 00:48Updated: 04/17/2026 22:15
Changes: 06/20/2014 00:48 (39), 05/08/2019 10:30 (16), 04/17/2026 22:15 (20)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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