CVE-2020-3313

mediumpriority · track · 24EPSS 0.008 · 56 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.80% (56th) EPSS

CVSS 4.3 · medium

Is it mine?

58 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · scored 2026-10-27

A vulnerability in the web UI of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of the FMC Software. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or to access sensitive, browser-based information.

remediations

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

No fix is available; mitigate or reduce exposure.

No fix available2.9.0cisco_csaf
No remediation is available at this time.
No fix available2.9.7.10cisco_csaf
No remediation is available at this time.
No fix available4.10.3cisco_csaf
No remediation is available at this time.
No fix available4.10.3.9cisco_csaf
No remediation is available at this time.
No fix available5.2.0cisco_csaf
No remediation is available at this time.
No fix available5.3.0cisco_csaf
No remediation is available at this time.
No fix available5.3.0.2cisco_csaf
No remediation is available at this time.
No fix available5.3.0.3cisco_csaf
No remediation is available at this time.
No fix available5.3.0.4cisco_csaf
No remediation is available at this time.
No fix available5.3.1cisco_csaf
No remediation is available at this time.
No fix available5.3.1.3cisco_csaf
No remediation is available at this time.
No fix available5.3.1.4cisco_csaf
No remediation is available at this time.
No fix available5.3.1.5cisco_csaf
No remediation is available at this time.
No fix available5.3.1.6cisco_csaf
No remediation is available at this time.
No fix available5.3.1.7cisco_csaf
No remediation is available at this time.
No fix available5.4.0cisco_csaf
No remediation is available at this time.
No fix available5.4.0.2cisco_csaf
No remediation is available at this time.
No fix available5.4.1cisco_csaf
No remediation is available at this time.
No fix available5.4.1.1cisco_csaf
No remediation is available at this time.
No fix available5.4.1.2cisco_csaf
No remediation is available at this time.
No fix available5.4.1.3cisco_csaf
No remediation is available at this time.
No fix available5.4.1.4cisco_csaf
No remediation is available at this time.
No fix available5.4.1.5cisco_csaf
No remediation is available at this time.
No fix available5.4.1.6cisco_csaf
No remediation is available at this time.
No fix available5.4.1.9cisco_csaf
No remediation is available at this time.
No fix available6.0.0cisco_csaf
No remediation is available at this time.
No fix available6.0.0.0cisco_csaf
No remediation is available at this time.
No fix available6.0.0.1cisco_csaf
No remediation is available at this time.
No fix available6.0.1cisco_csaf
No remediation is available at this time.
No fix available6.0.1.1cisco_csaf
No remediation is available at this time.
No fix available6.0.1.2cisco_csaf
No remediation is available at this time.
No fix available6.0.1.3cisco_csaf
No remediation is available at this time.
No fix available6.0.1.4cisco_csaf
No remediation is available at this time.
No fix available6.1.0cisco_csaf
No remediation is available at this time.
No fix available6.1.0.1cisco_csaf
No remediation is available at this time.
No fix available6.1.0.2cisco_csaf
No remediation is available at this time.
No fix available6.1.0.3cisco_csaf
No remediation is available at this time.
No fix available6.1.0.4cisco_csaf
No remediation is available at this time.
No fix available6.1.0.5cisco_csaf
No remediation is available at this time.
No fix available6.1.0.6cisco_csaf
No remediation is available at this time.
No fix available6.1.0.7cisco_csaf
No remediation is available at this time.
No fix available6.2.0cisco_csaf
No remediation is available at this time.
No fix available6.2.0.1cisco_csaf
No remediation is available at this time.
No fix available6.2.0.2cisco_csaf
No remediation is available at this time.
No fix available6.2.0.3cisco_csaf
No remediation is available at this time.
No fix available6.2.0.4cisco_csaf
No remediation is available at this time.
No fix available6.2.0.5cisco_csaf
No remediation is available at this time.
No fix available6.2.0.6cisco_csaf
No remediation is available at this time.
No fix available6.2.0.7cisco_csaf
No remediation is available at this time.
No fix available6.2.1cisco_csaf
No remediation is available at this time.
No fix available6.2.2cisco_csaf
No remediation is available at this time.
No fix available6.2.2.1cisco_csaf
No remediation is available at this time.
No fix available6.2.2.2cisco_csaf
No remediation is available at this time.
No fix availableBasecisco_csaf
No remediation is available at this time.

cvss

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

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · psirt@cisco.com USexploitability 3.9 · impact 2.5

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · Cisco PSIRT US

v3.16.5mediumAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

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

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

affected products (58)

Products and version ranges known to be affected.

showing 20 of 58

advisories (1)

Vendor and ecosystem advisories describing this.

cisco-sa-fmcxss-UT3bMx9kCisco Firepower Management Center Cross-Site Scripting Vulnerability2020-05-06csaf · cisco_csafUS
A vulnerability in the web UI of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of the FMC Software. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or to access sensitive, browser-based information. Cisco has released software updates that address the vulnerability described in this advisory. There are no workarounds that address this vulnerability.

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 2020-05-06modified 2026-06-17

related (53,009)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-42897US	medium6.1OT critical	70.7% (99th)	KEV	2026-05-14
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network…
CVE-2025-66376US	medium6.1OT critical	20.2% (97th)	KEV	2026-01-05
Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message.
CVE-2025-68461US	medium6.1OT critical	27.4% (98th)	KEV	2025-12-18
Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a Cross-Site-Scripting (XSS) vulnerability via the animate tag in an SVG document.
CVE-2025-48700US	—OT critical	1.71% (77th)	KEV	2025-06-23
An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI allows attackers to exec…
CVE-2025-27915US	—OT critical	4.06% (91st)	KEV	2025-03-12
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A stored cross-site scripting (XSS) vulnerability exists in the Classic Web Client due to insufficient…

+53004 more

references (6)

External citations — patches, advisories, analysis.

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