TI-2021-00854 Aliases CVE-2021-1127 GHSA-4r7v-vq9j-hv62

Cisco Enterprise NFV Infrastructure Software Cross-Site Scripting Vulnerability

LOW 25CWE-79Published 2021-01-13 · Updated 2024-11-12

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

A vulnerability in the web-based management interface of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface. The vulnerability is due to improper input validation of log file content stored on the affected device. An attacker could exploit this vulnerability by modifying a log file with malicious code and getting a user to view the modified log file. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or to access sensitive, browser-based information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00622 50th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
Cisco	Cisco Enterprise NFV Infrastructure Software	all versions	—	No fix listed	CNA

Cisco Enterprise NFV Infrastructure Software VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:enterprise_nfv_infrastructure_software::::::::	before 4.4.1	Vulnerable	Cisco

cpe:2.3:a:cisco:enterprise_nfv_infrastructure_software:*:*:*:*:*:*:*:* Versions before 4.4.1 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-1127
2026-10-03 Alias added: GHSA-4r7v-vq9j-hv62
2026-11-07 EPSS moved to the 50th–90th percentile

References

Advisory 1

20210113 Cisco Enterprise NFV Infrastructure Software Cross-Site Scripting Vulnerability

TI-2025-23504 Erlang/OTP SSH Vulnerable to Pre-Authentication RCE KEVCVSS 3.1CRITICAL 10.0
TI-2021-13745 Cisco Enterprise NFV Infrastructure Software Authentication Bypass Vulnerability CVSS 3.1CRITICAL 9.8
TI-2020-03016 Cisco Integrated Management Controller Multiple Remote Code Execution Vulnerabilities CVSS 3.1CRITICAL 9.8
TI-2022-05339 Cisco Enterprise NFV Infrastructure Software Vulnerabilities CVSS 3.1CRITICAL 9.9
TI-2022-05338 Cisco Enterprise NFV Infrastructure Software Vulnerabilities CVSS 3.1CRITICAL 9.9
TI-2022-05336 Cisco Enterprise NFV Infrastructure Software Vulnerabilities CVSS 3.1CRITICAL 9.9

See all 34 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences