Common Weakness Enumeration

CWE-261

Allowed

Weak Encoding for Password

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

Obscuring a password with a trivial encoding does not protect the password.

43 vulnerabilities reference this CWE, most recent first.

CVE-2026-112168 (GCVE-0-2026-112168)

Vulnerability from cvelistv5 – Published: 2026-11-09 12:34 – Updated: 2026-11-09 12:34
VLAI
Title
Multiple embedded secrets and weak algorithms in Magistra
Summary
The Magistra software uses weak custom encryption, relies on an outdated compression algorithm to protect the database, and contains embedded secrets.
Severity
6 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-312 - Cleartext storage of sensitive information
  • CWE-798 - Use of hard-coded credentials
  • CWE-261 - Weak encoding for password
  • CWE-327 - Use of a broken or risky cryptographic algorithm
Assigner
ENISA CNA
References
Impacted products
Vendor Product Version
GALENO SISTEMI MAGISTRA Affected: 3.12 (custom)
    cpe:2.3:a:galeno_sistemi:magistra:3.12:*:windows:*:*:*:*:*
Create a notification for this product.
Credits
Marco Sala CSIRT-IT ApoCert srl
Show details on NVD website
To clipboard 

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CVE-2026-110971 (GCVE-0-2026-110971)

Vulnerability from cvelistv5 – Published: 2026-10-30 11:56 – Updated: 2026-11-03 09:13
VLAI
Title
Weak password encoding in Płatnik
Summary
Use of a weak password encoding algorithm in Płatnik software allows a user who obtains encoded password to easily decode it.  This issue was fixed in metric 334 in version 10.02.002.
Severity
7.7 (High)
CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 15:30 UTC
CWE
  • CWE-261 - Weak encoding for password
Assigner
CERT-PL CNA
References
Impacted products
Vendor Product Version
Zakład Ubezpieczeń Społecznych Płatnik Affected: 0 , ≤ 10.02.002 (custom)
    cpe:2.3:a:zak_ad_ubezpiecze_spo_ecznych:p_atnik:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-30 00:00
Credits
Wojciech Giełda
Show details on NVD website
To clipboard 

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CVE-2026-103548 (GCVE-0-2026-103548)

Vulnerability from cvelistv5 – Published: 2026-09-30 19:45 – Updated: 2026-09-30 19:56
VLAI
Title
Improperly Stored Credentials
Summary
Improperly stored passwords in the config file in Itron MV-90 xi 3.0 allows attackers to decode the passwords and password histories to gain access to the MV-90 application as any user.
Severity
5.3 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:H/SI:H/SA:H/E:P
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 19:56 UTC
CWE
  • CWE-257 - Storing passwords in a recoverable format
  • CWE-260 - Password in configuration file
  • CWE-261 - Weak encoding for password
Assigner
palo_alto CNA
References
Impacted products
Vendor Product Version
Itron MV-90 xi Affected: 3.0
Create a notification for this product.
Credits
Menachem (Momo) Rothbart
Show details on NVD website
To clipboard 

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CVE-2026-73589 (GCVE-0-2026-73589)

Vulnerability from cvelistv5 – Published: 2026-09-23 14:30 – Updated: 2026-09-24 13:09
VLAI
Summary
Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, Versions prior to 5.36, contains a Weak Encoding for Password vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Information disclosure, Information tampering, Protection mechanism bypass, and Unauthorized access.
Severity
6.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 03:55 UTC
CWE
  • CWE-261 - Weak Encoding for Password
Assigner
dell CNA
References
Impacted products
Vendor Product Version
Dell Secure Connect Gateway (SCG) Policy Manager Affected: 0 , < 5.36.00.16 or later (semver)
Create a notification for this product.
Date Public
2026-08-31 06:30
Show details on NVD website
To clipboard 

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CVE-2026-67596 (GCVE-0-2026-67596)

Vulnerability from cvelistv5 – Published: 2026-07-30 14:59 – Updated: 2026-07-31 11:54
VLAI
Title
CSL 1010 M2M 3G WiFi Module 2.2.1.4 Weak Encryption via Router.cfg
Summary
CSL 1010 M2M 3G WiFi Module firmware through 2.2.1.4 contains a weak encryption vulnerability that allows unauthenticated attackers to recover all stored secrets in plaintext by reversing a single-byte XOR cipher that uses a static key to obfuscate the configuration backup file. Attackers can trivially decrypt the Router.cfg backup file to expose web administration and telnet passwords, WPA/WPA2 pre-shared keys, PPPoE and 3G/APN credentials, and SIM identifiers including IMSI and IMEI.
Severity
6.9 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
6.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-30 17:28 UTC
CWE
  • CWE-261 - Weak Encoding for Password
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
CSL Mobile Limited CSL 1010 M2M 3G WiFi Module Affected: 0 , ≤ 2.2.1.4 (custom)
Create a notification for this product.
Date Public
2026-07-30 00:00
Credits
Gjoko Krstic of Zero Science Lab
Show details on NVD website
To clipboard 

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CVE-2026-63424 (GCVE-0-2026-63424)

Vulnerability from cvelistv5 – Published: 2026-08-13 14:52 – Updated: 2026-08-13 15:55
VLAI
Summary
During an internal security assessment, an improperly protected key was discovered in Lenovo Dock Manager that could allow a local authenticated user to escalate privileges.
Severity
7 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 15:55 UTC
CWE
  • CWE-261 - Weak Encoding for Password
Assigner
lenovo CNA
References
Impacted products
Vendor Product Version
Lenovo Dock Manager Affected: 0 , < 1.6.5.3 (custom)
    cpe:2.3:a:lenovo:dock_manager:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-40639 (GCVE-0-2026-40639)

Vulnerability from cvelistv5 – Published: 2026-06-09 18:04 – Updated: 2026-06-09 19:12
VLAI
Summary
Dell Client Platform BIOS contains a Weak Encoding for Password vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Elevation of Privileges.
Severity
5.7 (Medium)
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-09 18:58 UTC
CWE
  • CWE-261 - Weak Encoding for Password
Assigner
dell CNA
References
Impacted products
Date Public
2026-06-09 17:58
Credits
Dell would like to thank Darren McDonald from AmberWolf and Craig S. Blackie from MDSec for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2026-25607 (GCVE-0-2026-25607)

Vulnerability from cvelistv5 – Published: 2026-05-22 09:14 – Updated: 2026-05-22 13:44
VLAI
Title
Weak password encoding in STER
Summary
Use of a weak password encoding algorithm in STER software allows the value of the password to be guessed after analyzing how passwords with known values are encoded. This issue was fixed in version 9.5.
Severity
5.7 (Medium)
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-22 13:44 UTC
CWE
  • CWE-261 - Weak Encoding for Password
Assigner
CERT-PL CNA
References
Impacted products
Date Public
2026-05-22 12:19
Credits
Michelin CERT
Show details on NVD website
To clipboard 

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CVE-2026-22543 (GCVE-0-2026-22543)

Vulnerability from cvelistv5 – Published: 2026-01-07 16:10 – Updated: 2026-01-07 16:57 X_Charger X_Ics
VLAI
Title
WEEK ENCODING FOR PASSWORDS
Summary
The credentials required to access the device's web server are sent in base64 within the HTTP headers. Since base64 is not considered a strong cipher, an attacker could intercept the web request handling the login and obtain the credentials
Severity
6.9 (Medium)
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-07 16:24 UTC
CWE
  • CWE-261 - Week encoding for passwords
  • CWE-261 - Weak Encoding for Password
Assigner
S21sec CNA
References
Impacted products
Credits
Aarón Flecha Menéndez Iván Alonso Álvarez Víctor Bello Cuevas
Show details on NVD website
To clipboard 

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CVE-2026-0809 (GCVE-0-2026-0809)

Vulnerability from cvelistv5 – Published: 2026-03-12 13:02 – Updated: 2026-03-12 14:04
VLAI
Title
Weak KSeF token encoding in Streamsoft Prestiż
Summary
Use of a custom token encoding algorithm in Streamsoft Prestiż software allows the value of the KSeF (Krajowy System e-Faktur) token to be guessed after analyzing how tokens with know values are encoded. This issue was fixed in version 20.0.380.92.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-12 14:04 UTC
CWE
  • CWE-261 - Weak Encoding for Password
Assigner
CERT-PL CNA
References
Impacted products
Vendor Product Version
Streamsoft Streamsoft Prestiż Affected: 12.2.363.17 , < 20.0.380.92 (custom)
Create a notification for this product.
Credits
Kamil Dąbkowski
Show details on NVD website
To clipboard 

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Mitigation

Passwords should be encrypted with keys that are at least 128 bits in length for adequate security.

CAPEC-55: Rainbow Table Password Cracking

An attacker gets access to the database table where hashes of passwords are stored. They then use a rainbow table of pre-computed hash chains to attempt to look up the original password. Once the original password corresponding to the hash is obtained, the attacker uses the original password to gain access to the system.

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