Nagios XI up to 5.6 Web System graphtemplates.php code injection

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
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Nagios XI up to 5.6. This affects an unknown part of the file /nagiosxi/admin/graphtemplates.php of the component Web System. Performing a manipulation results in code injection. This vulnerability was named CVE-2021-3273. The attack may be initiated remotely. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Nagios XI up to 5.6 (Log Management Software). It has been classified as critical. This affects some unknown functionality of the file /nagiosxi/admin/graphtemplates.php of the component Web System. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 02/25/2021. It is possible to read the advisory at gist.github.com. This vulnerability is uniquely identified as CVE-2021-3273. Technical details and a public exploit are known. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

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

Upgrading to version 5.7 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.7
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Nagios XI 5.7

Timelineinfo

01/22/2021 🔍
02/25/2021 +34 days 🔍
02/25/2021 +0 days 🔍
03/05/2021 +8 days 🔍

Sourcesinfo

Advisory: gist.github.com
Status: Confirmed

CVE: CVE-2021-3273 (🔍)
GCVE (CVE): GCVE-0-2021-3273
GCVE (VulDB): GCVE-100-170403
scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 02/25/2021 18:26
Updated: 03/05/2021 10:11
Changes: 02/25/2021 18:26 (42), 03/05/2021 10:08 (2), 03/05/2021 10:11 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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