CVE-2020-13481Network attack vector

Browser session disclosure via stored cross-site scripting

Published Feb 19, 2025 · Updated Feb 20, 2025

Stored XSS in the embedded web server of affected Lexmark printer firmware allows remote authenticated users to obtain browser session data. Lexmark identifies the locus as the embedded web server but does not disclose which input is stored or how output encoding fails. Exploitation requires low-privileged access and a user to open the affected content, exposing session credentials and other browser-accessible information.

CVSS severity5.7
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in the embedded web server of affected Lexmark printer firmware allows remote authenticated users to obtain browser session data. Lexmark identifies the locus as the embedded web server but does not disclose which input is stored or how output encoding fails. Exploitation requires low-privileged access and a user to open the affected content, exposing session credentials and other browser-accessible information.

The record

CVE
CVE-2020-13481
Published
Feb 19, 2025
Updated
Feb 20, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-200, T1539, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 19, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 20, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.7LexmarkCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
6.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1539Steal Web Session Cookie
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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