PT-2021-2858 · Cisco · Cisco Sd-Wan Vmanage

Johnny Yu · Published 2021-04-21 · Updated 2025-08-04 · CVE-2021-1491

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions Cisco SD-WAN vManage Software (affected versions not specified)

Description The issue is related to a vulnerability in the web-based management interface of Cisco SD-WAN vManage Software. It is caused by insufficient file scope limiting, allowing an authenticated, remote attacker to read arbitrary files on the underlying file system of the device. This can be exploited by creating a specific file reference on the file system and then accessing it through the web-based management interface. A successful exploit could allow the attacker to read arbitrary files from the file system of the underlying operating system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Link Following

Weakness Enumeration

CWE-59

Related Identifiers

BDU:2021-02407

CVE-2021-1491

Affected Products

Cisco Sd-Wan Vmanage

References · 10

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-info-disclos-gGvm9Mfu · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1491 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-02407 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-1491 · Security Note
• https://twitter.com/oktsec/status/1857493240783536542 · Twitter Post
• https://twitter.com/CVEnew/status/1857476945325203557 · Twitter Post
• https://securitylab.ru/vulnerability/519176.php · Note
• https://t.me/cveNotify/130767 · Telegram Post
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-info-disclos-gGvm9Mfu · Note
• https://cybersecurity-help.cz/vdb/SB2021042201 · Note