SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-3243

Multiple vulnerabilities in the REST API of Cisco UCS Director and Cisco UCS Director Express for Big Data may allow a remote attacker to bypass authentication or conduct directory traversal attacks on an affected device.

CRITICAL 9.8EPSS 88.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 88.4%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

Multiple vulnerabilities in the REST API of Cisco UCS Director and Cisco UCS Director Express for Big Data may allow a remote attacker to bypass authentication or conduct directory traversal attacks on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
88.37% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20, CWE-269
Affected
cisco/ucs director · cisco/ucs director express for big data
Source
psirt@cisco.com
EPSS trend
0%45%90%26 October 2026: 88.37%26 October 202626 October 2026

EPSS 88.4% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.