Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Buffer Overflow Denial of Service Vulnerability (Cisco Cisco Adaptive Security Appliance (ASA) Software)

CVE-2021-1493
HIGH 8.5

At a glance

Source
NVD
EPSS
EPSS 1.21 % · percentile 68 ()
State
PUBLISHED
Published
Updated
Assigner
cisco
NVD status
Modified

Description

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause a buffer overflow on an affected system. The vulnerability is due to insufficient boundary checks for specific data that is provided to the web services interface of an affected system. An attacker could exploit this vulnerability by sending a malicious HTTP request. A successful exploit could allow the attacker to cause a buffer overflow condition on the affected system, which could disclose data fragments or cause the device to reload, resulting in a denial of service (DoS) condition.

Weaknesses (CWE)

  • CWE-120 — Buffer Copy without Checking Size of Input

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:Hcisco
CVSS 3.1HIGH 8.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:HNVD · psirt@cisco.com (Secondary)
CVSS 3.1HIGH 7.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:HNVD · nvd@nist.gov (Primary)
CVSS 2.0HIGH 7.5AV:N/AC:L/Au:S/C:P/I:N/A:CNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Cisco · Cisco Adaptive Security Appliance (ASA) Softwareaffected n/a

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD