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CVE-2026-20078

MEDIUMCVSS 6.5/10EPSS 0.39%

Last modified

CVE-2026-20078 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Multiple vulnerabilities in Cisco Unity Connection could allow an authenticated, remote attacker to download arbitrary files from an affected system. To exploit these vulnerabilities, the attacker must have valid administrative credentials.  These vulnerabilities are due to improper sanitization of user input to the web-based management interface. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

Multiple vulnerabilities in Cisco Unity Connection could allow an authenticated, remote attacker to download arbitrary files from an affected system. To exploit these vulnerabilities, the attacker must have valid administrative credentials.  These vulnerabilities are due to improper sanitization of user input to the web-based management interface. An attacker could exploit these vulnerabilities by sending a crafted HTTPS request. A successful exploit could allow the attacker to download arbitrary files from an affected system.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
0.39%

30.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoUnity Connection<= 12.5
CiscoUnity Connection14.0
CiscoUnity Connection14su1
CiscoUnity Connection14su2
CiscoUnity Connection14su3
CiscoUnity Connection14su3a
CiscoUnity Connection14su4
CiscoUnity Connection14su5
CiscoUnity Connection15.0
CiscoUnity Connection15su1
CiscoUnity Connection15su2
CiscoUnity Connection15su3

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-20078?
Multiple vulnerabilities in Cisco Unity Connection could allow an authenticated, remote attacker&nbsp;to download arbitrary files from an affected system. To exploit these vulnerabilities, the attacker must have valid administrative credentials.&nbsp; These vulnerabilities are due to improper sanitization of user input to the web-based management interface. An attacker could exploit these vulnerabilities by sending a crafted HTTPS request. A successful exploit could allow the attacker to download arbitrary files from an affected system.
How severe is CVE-2026-20078?
CVE-2026-20078 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20078?
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-2026-20078?

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

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Source: NVD / NIST