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CVE-2021-1582

MEDIUMCVSS 5.4/10EPSS 0.60%

Last modified

CVE-2021-1582 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A vulnerability in the web UI of Cisco Application Policy Infrastructure Controller (APIC) or Cisco Cloud APIC could allow an authenticated, remote attacker to perform a stored cross-site scripting attack on an affected system. This vulnerability is due to improper input validation in the web UI. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

A vulnerability in the web UI of Cisco Application Policy Infrastructure Controller (APIC) or Cisco Cloud APIC could allow an authenticated, remote attacker to perform a stored cross-site scripting attack on an affected system. This vulnerability is due to improper input validation in the web UI. An authenticated attacker could exploit this vulnerability by sending malicious input to the web UI. A successful exploit could allow the attacker to execute arbitrary script code in the context of the web-based interface or access sensitive, browser-based information.

Metrics

CVSS 3.1
5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.60%

44.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoApplication Policy Infrastructure Controller< 3.2\(10f\)
CiscoApplication Policy Infrastructure Controller>= 4.0, < 4.2\(7i\)
CiscoApplication Policy Infrastructure Controller>= 5.0, < 5.2\(2f\)
CiscoCloud Application Policy Infrastructure Controller< 3.2\(10f\)
CiscoCloud Application Policy Infrastructure Controller>= 4.0, < 4.2\(7i\)
CiscoCloud Application Policy Infrastructure Controller>= 5.0, < 5.2\(1h\)

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-1582?
A vulnerability in the web UI of Cisco Application Policy Infrastructure Controller (APIC) or Cisco Cloud APIC could allow an authenticated, remote attacker to perform a stored cross-site scripting attack on an affected system. This vulnerability is due to improper input validation in the web UI. An authenticated attacker could exploit this vulnerability by sending malicious input to the web UI. A successful exploit could allow the attacker to execute arbitrary script code in the context of the web-based interface or access sensitive, browser-based information.
How severe is CVE-2021-1582?
CVE-2021-1582 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.
How do I fix CVE-2021-1582?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-1582?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST