Nagios XI 5.7.5 sshterm.php cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Nagios XI 5.7.5. The affected element is an unknown function of the file /usr/local/nagiosxi/html/admin/sshterm.php. The manipulation results in cross site scripting. This vulnerability is identified as CVE-2021-25299. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in Nagios XI 5.7.5 (Log Management Software). Affected is an unknown part of the file /usr/local/nagiosxi/html/admin/sshterm.php. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity.

The weakness was released 02/16/2021. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-25299. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

The exploit is shared for download at packetstormsecurity.com. It is declared as proof-of-concept. By approaching the search of inurl:usr/local/nagiosxi/html/admin/sshterm.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.6

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/18/2021 🔍
02/16/2021 +29 days 🔍
02/16/2021 +0 days 🔍
05/04/2025 +1538 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2021-25299 (🔍)
GCVE (CVE): GCVE-0-2021-25299
GCVE (VulDB): GCVE-100-169956
scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 02/16/2021 09:13
Updated: 05/04/2025 05:57
Changes: 02/16/2021 09:13 (36), 03/01/2021 21:30 (2), 03/01/2021 21:36 (18), 06/16/2024 20:17 (23), 05/04/2025 05:57 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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