Multiple vulnerabilities in Cisco SD-WAN vManage

1) Improper access control

EUVDB-ID: #VU52926

Risk: Medium

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1508

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the cluster mode management interface. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: before 20.5.1

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-vmanage-4TbynnhZ
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu28360

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper access control

EUVDB-ID: #VU52925

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1506

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions within the cluster mode management interface. A remote user can bypass implemented security restrictions and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: before 20.5.1

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-vmanage-4TbynnhZ
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu28402

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Security restrictions bypass

EUVDB-ID: #VU52924

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1505

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the web-based management interface of Cisco SD-WAN vManage Software. A remote user can escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: before 20.5.1

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-vmanage-4TbynnhZ
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu28390

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Improper Authentication

EUVDB-ID: #VU52923

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1468

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests in cluster mode management interface. A remote attacker can bypass authentication process and compromise the affected system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: before 20.5.1

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-vmanage-4TbynnhZ
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu28454

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Resource management error

EUVDB-ID: #VU52922

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1275

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources when processing API requests. A remote attacker can send multiple API requests to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: before 20.5.1

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-vmanage-4TbynnhZ
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvv67264

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Improper Authentication

EUVDB-ID: #VU52919

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1284

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote attacker on the local network can bypass authentication process and modify the configuration of an affected system.

Successful exploitation of the vulnerability may result in full system compromise.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: 19.1.0 - 20.5.0

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdw-auth-bypass-65aYqcS2
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu28360
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu28390
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu28402
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu28454
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvv67264

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Improper access control

EUVDB-ID: #VU52918

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1515

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions to API endpoints. A remote non-authenticated attacker can bypass implemented security restrictions and gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: 20.1 - 20.4.0

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-vmanage-9VZO4gfU
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu28372

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Stored cross-site scripting

EUVDB-ID: #VU52915

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1507

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: 19.2.99 - 20.5.0

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-xss-eN75jxtW
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu28350
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx24115

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Improper Authorization

EUVDB-ID: #VU52913

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1535

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to absence of authentication for sensitive information in the cluster management interface. A remote non-authenticated attacker can send a specially crafted request to the cluster management interface and gain access to sensitive information.

To exploit the vulnerability the vManage Software must be in cluster mode.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: 19.2.097 - 20.5.0

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-vmanageinfdis-LKrFpbv
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw11097

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Improper Authorization

EUVDB-ID: #VU52912

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1234

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to absence of authentication for sensitive information in the cluster management interface. A remote attacker can send a specially crafted request to the management interface and gain access to sensitive information.

Note, successful exploitation of the vulnerability requires that vManage software is in cluster mode.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: 19.1.0 - 20.5.0

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-vmaninfdis3-OvdR6uu8
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu28438
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu28450

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Information disclosure

EUVDB-ID: #VU52910

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-1486

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to improper handling of HTTP headers. A remote attacker can send specially crafted HTTP requests and enumerate user accounts based on responses sent by the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco SD-WAN vManage: 20.3.0 - 20.3.2

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-enumeration-64eNnDKy
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx21265

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.