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CVE-2026-20093

CRITICALCVSS 9.8/10EPSS 0.99%

Last modified

CVE-2026-20093 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability in the change password functionality of Cisco Integrated Management Controller (IMC) could allow an unauthenticated, remote attacker to bypass authentication and gain access to the system as Admin. This vulnerability is due to incorrect handling of password change requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

Description

A vulnerability in the change password functionality of Cisco Integrated Management Controller (IMC) could allow an unauthenticated, remote attacker to bypass authentication and gain access to the system as Admin. This vulnerability is due to incorrect handling of password change requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to bypass authentication, alter the passwords of any user on the system, including an Admin user, and gain access to the system as that user.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
0.99%

58.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
CiscoCisco Enterprise NFV Infrastructure Software4.1.1; 3.9.1; 3.5.2; 3.12.2; 3.6.2; 3.9.2; 3.11.3; 3.11.1; 3.5.1; 3.3.1; 3.10.2; 3.12.1b; 3.4.1; 3.12.1a; 3.6.3; 3.8.1; 3.11.2; 3.12.1; 3.12.3; 3.10.1; 3.6.1; 3.10.3; 3.7.1; 4.1.2; 4.2.1; 4.2.2; 4.4.1; 4.4.2; 4.5.1; 4.4.3; 4.6.1; 4.7.1; 4.6.2-FC2; 4.6.2-FC3; 4.6.2; 4.8.1; 4.8.2; 4.9.1; 4.6.3; 4.9.2-FC5; 4.9.2; 4.10.1; 4.9.3; 4.11.1; 4.9.4; 4.12.1; 4.6.4; 4.12.2; 4.13.1; 4.9.4-ES8; 4.9.5; 4.12.3; 4.6.5-ES1; 4.9.4-ES9; 4.14.1; 4.6.3-FC4; 4.9.4-FC3; 4.12.4; 4.15.1; 4.9.6; 4.16.1; 4.15.2; 4.12.5; 4.15.3; 4.15.4; 4.18.1; 4.12.6; 4.18.2; 4.18.2a
CiscoCisco Unified Computing System (Standalone)4.0(2g); 3.1(2i); 3.1(1d); 4.0(4i); 4.1(1c); 4.0(2c); 4.0(1e); 4.0(2h); 4.0(4h); 4.0(1h); 4.0(2l); 3.1(3g); 4.0(1.240); 4.0(2f); 4.0(1g); 4.0(2i); 3.1(3i); 4.0(4d); 4.1(1d); 3.1(3c); 4.0(4k); 3.1(2d); 3.1(3a); 3.1(3j); 4.0(2d); 4.1(1f); 4.0(1c); 4.0(4f); 4.0(4c); 3.1(3d); 3.1(2g); 3.1(2c); 4.0(1d); 3.1(2e); 4.0(1a); 4.0(1b); 3.1(3b); 4.0(4b); 3.1(2b); 4.0(4e); 3.1(3h); 4.0(4l); 4.1(1g); 4.1(2a); 4.0(2n); 4.1(1h); 3.1(3k); 4.1(2b); 4.0(2o); 4.0(4m); 4.1(2d); 4.1(3b); 4.0(2p); 4.1(2e); 4.1(2f); 4.0(4n); 4.0(2q); 4.1(3c); 4.0(2r); 4.1(3d); 4.1(2g); 4.1(2h); 4.1(3f); 4.1(2j); 4.1(2k); 4.1(3h); 4.2(2a); 4.1(3i); 4.2(2f); 4.2(2g); 4.2(3b); 4.1(3l); 4.2(3d); 4.3(1.230097); 4.2(1e); 4.2(1b); 4.2(1j); 4.2(1i); 4.2(1f); 4.2(1a); 4.2(1c); 4.2(1g); 4.3(1.230124); 4.1(2l); 4.2(3e); 4.3(1.230138); 4.2(3g); 4.3(2.230207); 4.2(3h); 4.2(3i); 4.3(2.230270); 4.1(3m); 4.1(2m); 4.3(2.240002); 4.3(3.240022); 4.2(3j); 4.1(3n); 4.3(2.240009); 4.3(3.240043); 4.3(4.240142); 4.3(2.240037); 4.3(2.240053); 4.3(4.240152); 4.2(3l); 4.3(2.240077); 4.3(4.242028); 4.3(4.241063); 4.3(4.242038); 4.2(3m); 4.3(2.240090); 4.3(5.240021); 4.3(2.240107); 4.3(4.242066); 4.2(3n); 4.3(5.250001); 4.2(3o); 4.3(2.250016); 4.3(2.250021); 4.3(5.250030); 4.3(2.250022); 4.3(6.250040); 4.3(5.250033); 4.3(6.250044); 4.3(6.250053); 4.3(2.250037); 4.3(2.250045); 4.3(4.252001); 4.3(4.252002); 6.0(1.250127); 4.2(3p); 6.0(1.250131); 4.3(6.250101); 4.3(6.250117); 4.3(5.250043); 4.3(6.250039); 4.3(5.250045); 4.3(6.250060); 6.0(1.250130); 4.3(4.241014); 4.3(2.250063); 4.3(6.260003)
CiscoCisco Unified Computing System E-Series Software (UCSE)3.2.7; 3.2.6; 3.2.4; 3.2.10; 3.2.2; 3.2.3; 2.4.0; 3.2.1; 3.2.11.1; 3.2.8; 3.1.1; 3.0.2; 2.1.0; 2.2.2; 3.1.2; 3.0.1; 2.3.2; 2.3.5; 2.2.1; 3.1.4; 2.4.1; 2.3.1; 3.1.3; 2.3.3; 2.4.2; 3.1.5; 3.1.0; 2.0.0; 3.2.11.3; 3.2.11.5; 3.2.12.2; 3.2.13.6; 3.2.14; 4.11.1; 3.2.15; 4.12.1; 3.2.15.3; 4.12.2; 3.2.16.1; 4.00; 4.15.2; 4.02

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-20093?
A vulnerability in the change password functionality of Cisco Integrated Management Controller (IMC) could allow an unauthenticated, remote attacker to bypass authentication and gain access to the system as Admin. This vulnerability is due to incorrect handling of password change requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to bypass authentication, alter the passwords of any user on the system, including an Admin user, and gain access to the system as that user.
How severe is CVE-2026-20093?
CVE-2026-20093 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20093?
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.

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Source: NVD / NIST