CVE-2020-3251

highpriority · attend · 57EPSS 0.615 · 99 %ileEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

61.5% (99th) EPSS

CVSS 9 · high

Is it mine?

41 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedCisco UCS Directorcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Unified Computing System Director Express for Big Data cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.8

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8 · impact 10

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@cisco.com USexploitability 3.9 · impact 5.9

v3.08.1highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hsecondary · Cisco PSIRT US

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USprimaryCWE-20USCWE-20USCWE-22US

affected products (41)

Products and version ranges known to be affected.

Cisco Cisco UCS Directorall versionscisco_csafUS
Cisco Cisco Unified Computing System Director Express for Big Data all versionscisco_csafUS
Cisco Cisco UCS Director≤ n/aenisa_euvdEU
Cisco Systems Inc. UCS Director≤ 6.6.2.0fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.5.0.4fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.5.0.3fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.5.0.2fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.5.0.1fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.5.0.0fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.0.1.3fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.0.1.2fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.0.1.1fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.0.1.0fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.0.0.1fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.0.0.0fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.6.1.0fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.6.0.0fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.7.1.0fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.7.0.0fstec_bduRU
Cisco Systems Inc. UCS Director≤ 6.7.3.0fstec_bduRU

showing 20 of 41

advisories (1)

Vendor and ecosystem advisories describing this.

cisco-sa-ucsd-mult-vulns-UNfpdW4EMultiple Vulnerabilities in Cisco UCS Director and Cisco UCS Director Express for Big Data2020-04-15csaf · cisco_csafUS
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 ["#details"] section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisco_csaf NVD CVE.org MITRE

published 2020-04-15modified 2026-06-17

related (12,525)

Related entries.

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+12520 more

references (6)

External citations — patches, advisories, analysis.

scry

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