Cisco Prime Infrastructure/Evolved Programmable Network Web-based Management Interface input validation

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.3$5k-$25k0.00

A vulnerability was found in Cisco Prime Infrastructure and Evolved Programmable Network (Network Management Software) (version unknown). It has been classified as critical. Affected is an unknown code of the component Web-based Management Interface. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-20. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the web-based management interface of Cisco Prime Infrastructure (PI) and Cisco Evolved Programmable Network (EPN) Manager could allow an authenticated, remote attacker to execute code with root-level privileges on the underlying operating system. This vulnerability exist because the software improperly validates user-supplied input. An attacker could exploit this vulnerability by uploading a malicious file to the administrative web interface. A successful exploit could allow the attacker to execute code with root-level privileges on the underlying operating system.

The bug was discovered 05/15/2019. The weakness was disclosed 05/16/2019 by Steven Seeley (mr_me) (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2019-1821 since 12/06/2018. It is possible to launch the attack remotely. A authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/13/2020).

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13494 (Cisco Prime Infrastructure Multiple Vulnerabilities(cisco-sa-20190515-pi-rce,cisco-sa-20190515-pi-sqlinject)).

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

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 108339). The entries 135133, 135134, 135135 and 135136 are pretty similar.

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VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 9.3

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

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VulDB Base Score: 🔍
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Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

12/06/2018 🔍
05/15/2019 +160 days 🔍
05/15/2019 +0 days 🔍
05/16/2019 +1 days 🔍
05/16/2019 +0 days 🔍
06/13/2020 +394 days 🔍

Sourcesinfoedit

Vendor: https://www.cisco.com/

Advisory: securityfocus.com
Researcher: Steven Seeley (mr_me)
Status: Confirmed

CVE: CVE-2019-1821 (🔍)
SecurityFocus: 108339 - Multiple Cisco Products Multiple Remote Code Execution Vulnerabilities

See also: 🔍

Entryinfoedit

Created: 05/16/2019 01:59 PM
Updated: 06/13/2020 06:35 AM
Changes: (6) vulnerability_discoverydate advisory_url advisory_person_name advisory_person_nickname source_securityfocus_date source_securityfocus_class
Complete: 🔍

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