Read the docs
TI-2021-01202 Aliases CVE-2021-1475GHSA-639r-6p24-c5mm

Cisco Umbrella Link and CSV Formula Injection Vulnerabilities

Priority LOW 30CWE-1236Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Multiple vulnerabilities in the Admin audit log export feature and Scheduled Reports feature of Cisco Umbrella could allow an authenticated, remote attacker to perform formula and link injection attacks on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00761 55th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Umbrella Insights Virtual Applianceall versions—No fix listedCNA
  • Cisco Umbrella Insights Virtual Appliance VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:umbrella:-:*:*:*:*:*:*:*not specified by NVDVulnerableCisco
  • cpe:2.3:a:cisco:umbrella:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Cisco Umbrella Insights Virtual Appliance — 20210407 Cisco Umbrella Link and CSV Formula Injection Vulnerabilities

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2021-01201 Cisco Umbrella Link and CSV Formula Injection VulnerabilitiesPriority LOW 39

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-1475
  2. 2026-10-03 Alias added: GHSA-639r-6p24-c5mm

References

  • TI-2019-01430 Cisco Umbrella Dashboard Session Management Vulnerability CVSS 3.0HIGH 8.8
  • TI-2018-00394 Cisco Umbrella API Unauthorized Access Vulnerability CVSS 3.0CRITICAL 9.1
  • TI-2021-01201 Cisco Umbrella Link and CSV Formula Injection Vulnerabilities CVSS 3.1HIGH 8.6
  • TI-2021-01077 Cisco Umbrella Dashboard Packet Flood Vulnerability CVSS 3.1MEDIUM 5.3
  • TI-2019-01417 Cisco Umbrella Cross-Site Scripting Vulnerability CVSS 3.1MEDIUM 6.1
  • TI-2020-02889 Cisco Umbrella Open Redirect Vulnerability CVSS 3.1MEDIUM 6.1
See all 9 →

Sources