Common Weakness Enumeration
CWE-759
AllowedUse of a One-Way Hash without a Salt
Abstraction: Variant · Status: Incomplete
The product uses a one-way cryptographic hash against an input that should not be reversible, such as a password, but the product does not also use a salt as part of the input.
22 vulnerabilities reference this CWE, most recent first.
CVE-2020-25164 (GCVE-0-2020-25164)
Vulnerability from cvelistv5 – Published: 2022-04-14 20:06 – Updated: 2025-04-16 16:29
VLAI
EPSS
VEX
Title
B. Braun SpaceCom, Battery Pack SP with Wi-Fi, and Data module compactplus
Summary
A vulnerability in the B. Braun Melsungen AG SpaceCom Version L81/U61 and earlier, and the Data module compactplus Versions A10 and A11 allows attackers to recover user credentials of the administrative interface.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-16 15:54 UTC
CWE
- CWE-759 - Use of a One-Way Hash without a Salt
Assigner
icscert
CNA
References
2 references
| URL | Tags |
|---|---|
| https://www.cisa.gov/uscert/ics/advisories/icsma-… | x_refsource_CONFIRM |
| https://www.bbraun.com/en/products-and-therapies/… | x_refsource_CONFIRM |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| B. Braun Melsungen AG | SpaceCom |
Affected:
unspecified , ≤ U61
(custom)
Affected: unspecified , ≤ L81 (custom) |
|
| B. Braun Melsungen AG | Battery pack with Wi-Fi |
Affected:
unspecified , ≤ U61
(custom)
Affected: unspecified , ≤ L81 (custom) |
|
| B. Braun Melsungen AG | Data module compactplus |
Affected:
A10
Affected: A11 |
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CVE-2020-16244 (GCVE-0-2020-16244)
Vulnerability from cvelistv5 – Published: 2020-09-23 13:03 – Updated: 2024-08-04 13:37
VLAI
EPSS
VEX
Summary
GE Digital APM Classic, Versions 4.4 and prior. Salt is not used for hash calculation of passwords, making it possible to decrypt passwords. This design flaw, along with the IDOR vulnerability, puts the entire platform at high risk because an authenticated user can retrieve all user account data and then retrieve the actual passwords.
Severity
No CVSS data available.
CWE
- CWE-759 - USE OF A ONE-WAY HASH WITHOUT A SALT CWE-759
Assigner
icscert
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-20-266-01 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | GE Digital APM Classic |
Affected:
Versions 4.4 and prior
|
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Mitigation MIT-51
Architecture and Design
- Use an adaptive hash function that can be configured to change the amount of computational effort needed to compute the hash, such as the number of iterations ("stretching") or the amount of memory required. Some hash functions perform salting automatically. These functions can significantly increase the overhead for a brute force attack compared to intentionally-fast functions such as MD5. For example, rainbow table attacks can become infeasible due to the high computing overhead. Finally, since computing power gets faster and cheaper over time, the technique can be reconfigured to increase the workload without forcing an entire replacement of the algorithm in use.
- Some hash functions that have one or more of these desired properties include bcrypt [REF-291], scrypt [REF-292], and PBKDF2 [REF-293]. While there is active debate about which of these is the most effective, they are all stronger than using salts with hash functions with very little computing overhead.
- Note that using these functions can have an impact on performance, so they require special consideration to avoid denial-of-service attacks. However, their configurability provides finer control over how much CPU and memory is used, so it could be adjusted to suit the environment's needs.
Mitigation
Architecture and Design
If a technique that requires extra computational effort can not be implemented, then for each password that is processed, generate a new random salt using a strong random number generator with unpredictable seeds. Add the salt to the plaintext password before hashing it. When storing the hash, also store the salt. Do not use the same salt for every password.
Mitigation MIT-25
Implementation
Architecture and Design
When using industry-approved techniques, use them correctly. Don't cut corners by skipping resource-intensive steps (CWE-325). These steps are often essential for preventing common attacks.
No CAPEC attack patterns related to this CWE.