CVE-2023-20207

mediumpriority · track · 26OT risk · elevatedEPSS 0.005 · 41 %ileEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.48% (41st) EPSS
CVSS 6.5 · medium
Is it mine?
65 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 logging component of Cisco Duo Authentication Proxy could allow an authenticated, remote attacker to view sensitive information in clear text on an affected system. This vulnerability exists because certain unencrypted credentials are stored. An attacker could exploit this vulnerability by accessing the logs on an affected system and obtaining credentials that they may not normally have access to. A successful exploit could allow the attacker to view sensitive information in clear text.

01

remediations

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

A vendor fix is available.

02

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

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6
v3.14.9mediumAV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU
v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU
v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nsecondary · psirt@cisco.com USexploitability 1.2 · impact 3.6
v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nsecondary · Cisco PSIRT US
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

affected products (65)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • cisco-sa-duo-auth-info-JgkSWBLzCisco Duo Authentication Proxy Information Disclosure Vulnerability2023-07-05csaf · cisco_csafUS

    A vulnerability in the logging component of Cisco Duo Authentication Proxy could allow an authenticated, remote attacker to view sensitive information in clear text on an affected system. This vulnerability exists because certain unencrypted credentials are stored. An attacker could exploit this vulnerability by accessing the logs on an affected system and obtaining credentials that they may not normally have access to. A successful exploit could allow the attacker to view sensitive information in clear text. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

published 2023-07-12modified 2026-06-17
09

references (5)

External citations — patches, advisories, analysis.

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