PT-2021-2961 · Cisco · Cisco Sd-Wan

James Spadaro · Published 2021-05-05 · Updated 2024-03-21 · CVE-2021-1513

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

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

Description A vulnerability in the vDaemon process could allow an unauthenticated, remote attacker to cause a device to reload, resulting in a denial of service (DoS) condition. This issue is due to insufficient handling of malformed packets. An attacker could exploit this by sending crafted traffic to an affected device, potentially causing the device to reload and resulting in a DoS condition.

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

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2021-02548

CVE-2021-1513

Affected Products

Cisco Sd-Wan

References · 7

• https://bdu.fstec.ru/vul/2021-02548 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1513 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-dos-Ckn5cVqW · Vendor Advisory
• https://safe-surf.ru/upload/VULN/VULN-20210514.5.pdf · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-1513 · Security Note
• https://cybersecurity-help.cz/vdb/SB2021050622 · Note
• https://t.me/cvenotify/74359 · Telegram Post