Common Weakness Enumeration
CWE-327
Allowed-with-ReviewUse of a Broken or Risky Cryptographic Algorithm
Abstraction: Class · Status: Draft
The product uses a broken or risky cryptographic algorithm or protocol.
960 vulnerabilities reference this CWE, most recent first.
CVE-2025-9317 (GCVE-0-2025-9317)
Vulnerability from cvelistv5 – Published: 2025-11-14 23:49 – Updated: 2025-11-17 16:55
VLAI
EPSS
VEX
Title
AVEVA Edge Use of a Broken or Risky Cryptographic Algorithm
Summary
The vulnerability, if exploited, could allow a miscreant with read
access to Edge Project files or Edge Offline Cache files to reverse
engineer Edge users' app-native or Active Directory passwords through
computational brute-forcing of weak hashes.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Credits
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CVE-2025-9146 (GCVE-0-2025-9146)
Vulnerability from cvelistv5 – Published: 2025-08-19 16:02 – Updated: 2025-08-19 19:20
VLAI
EPSS
VEX
Title
Linksys E5600 Firmware checkFw.sh verify_gemtek_header risky encryption
Summary
A flaw has been found in Linksys E5600 1.1.0.26. The affected element is the function verify_gemtek_header of the file checkFw.sh of the component Firmware Handler. Executing manipulation can lead to risky cryptographic algorithm. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is described as difficult. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.320525 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.320525 | signaturepermissions-required |
| https://vuldb.com/?submit.628642 | third-party-advisory |
| https://github.com/IOTRes/IOT_Firmware_Update/blo… | patch |
| https://www.linksys.com/ | product |
Credits
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CVE-2025-8260 (GCVE-0-2025-8260)
Vulnerability from cvelistv5 – Published: 2025-07-28 06:02 – Updated: 2026-04-15 07:02
VLAI
EPSS
VEX
Title
Vaelsys VaelsysV4 Web interface vgrid_server.php weak hash
Summary
A security flaw has been discovered in Vaelsys VaelsysV4 up to 5.1.0/5.4.0. This affects an unknown part of the file /grid/vgrid_server.php of the component Web interface. Performing a manipulation of the argument xajaxargs results in use of weak hash. The attack is possible to be carried out remotely. The complexity of an attack is rather high. It is indicated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. Upgrading to version 5.1.1 and 5.4.1 is able to mitigate this issue. Upgrading the affected component is recommended.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/317848 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/317848/cti | signaturepermissions-required |
| https://vuldb.com/submit/616922 | third-party-advisory |
| https://github.com/waiwai24/0101/blob/main/CVEs/V… | exploit |
| https://vaelsys.github.io/security-advisory/advis… | patch |
Impacted products
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CVE-2025-7383 (GCVE-0-2025-7383)
Vulnerability from cvelistv5 – Published: 2025-08-29 09:19 – Updated: 2025-08-29 13:46
VLAI
EPSS
VEX
Title
Timing side-channel vulnerability in AES-CBC decryption with PKCS#7 padding in Oberon PSA Crypto library
Summary
Padding oracle attack vulnerability in Oberon microsystem AG’s Oberon PSA Crypto library in all versions since 1.0.0 and prior to 1.5.1 allows an attacker to recover plaintexts via timing measurements of AES-CBC PKCS#7 decrypt operations.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oberon microsystems AG | Oberon PSA Crypto |
Affected:
1.0.0 , ≤ 1.5.0
(custom)
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CVE-2025-7214 (GCVE-0-2025-7214)
Vulnerability from cvelistv5 – Published: 2025-07-09 03:32 – Updated: 2025-07-09 14:28
VLAI
EPSS
VEX
Title
FNKvision FNK-GU2 MD5 shadow risky encryption
Summary
A vulnerability classified as problematic was found in FNKvision FNK-GU2 up to 40.1.7. Affected by this vulnerability is an unknown functionality of the file /etc/shadow of the component MD5. The manipulation leads to risky cryptographic algorithm. It is possible to launch the attack on the physical device. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.315163 | vdb-entry |
| https://vuldb.com/?ctiid.315163 | signaturepermissions-required |
| https://vuldb.com/?submit.608027 | third-party-advisory |
| https://medium.com/@pundhapat/sqli-in-the-cloud-r… | exploit |
Impacted products
Credits
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CVE-2025-7071 (GCVE-0-2025-7071)
Vulnerability from cvelistv5 – Published: 2025-08-29 09:18 – Updated: 2025-08-29 12:07
VLAI
EPSS
VEX
Title
Timing side-channel vulnerability in AES-CBC decryption with PKCS#7 padding in ocrypto library
Summary
Padding oracle attack vulnerability in Oberon microsystem AG’s ocrypto library in all versions since 3.1.0 and prior to 3.9.2 allows an attacker to recover plaintexts via timing measurements of AES-CBC PKCS#7 decrypt operations.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oberon microsystems AG | ocrypto |
Affected:
3.1.0 , ≤ 3.9.1
(custom)
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CVE-2025-6521 (GCVE-0-2025-6521)
Vulnerability from cvelistv5 – Published: 2025-06-27 17:06 – Updated: 2025-06-27 17:29
VLAI
EPSS
VEX
Title
TrendMakers Sight Bulb Pro Use of a Broken or Risky Cryptographic Algorithm
Summary
During the initial setup of the device the user connects to an access
point broadcast by the Sight Bulb Pro. During the negotiation, AES
Encryption keys are passed in cleartext. If captured, an attacker may be
able to decrypt communications between the management app and the Sight
Bulb Pro which may include sensitive information such as network
credentials.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TrendMakers | Sight Bulb Pro Firmware ZJ_CG32-2201 |
Affected:
0 , ≤ 8.57.83
(custom)
|
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CVE-2025-3838 (GCVE-0-2025-3838)
Vulnerability from cvelistv5 – Published: 2025-04-21 09:33 – Updated: 2025-04-21 12:47
VLAI
EPSS
VEX
Title
Improper Authorization in the installer for the EOL OVA based connect component
Summary
An Improper Authorization vulnerability was identified in the EOL OVA based connect component which is deployed for installation purposes in the customer internal network. Under certain conditions, this could allow a bad actor to gain unauthorized access to the local db containing weakly hashed credentials of the installer. This EOL component was deprecated in September 2023 with end of support extended till January 2024.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Saviynt | OVA based Connect |
Affected:
AlmaLinux-8.x_SC2.0-Client-2.0
Affected: AlmaLinux-8.x_SC2.0-Client-3.0 Affected: CentOS-7.x_SC2.0-Client-2.0 Affected: CentOS-7.x_SC2.0-Client-3.0 Affected: RHEL-8.x_SC2.0-Client-2.0 Affected: RHEL-8.x_SC2.0-Client-3.0 |
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CVE-2025-3200 (GCVE-0-2025-3200)
Vulnerability from cvelistv5 – Published: 2025-04-28 09:37 – Updated: 2025-04-28 12:23
VLAI
EPSS
VEX
Title
Com-Server Exposed via Weak TLS
Summary
An unauthenticated remote attacker could exploit the used, insecure TLS 1.0 and TLS 1.1 protocols to intercept and manipulate encrypted communications between the Com-Server and connected systems.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
1 reference
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Wiesemann & Theis | Com-Server++ |
Affected:
0.0.0 , < 1.60
(semver)
|
|
| Wiesemann & Theis | Com-Server PoE 3x Isolated |
Affected:
0.0.0 , < 1.60
(semver)
|
|
| Wiesemann & Theis | Com-Server 20mA |
Affected:
0.0.0 , < 1.60
(semver)
|
|
| Wiesemann & Theis | Com-Server OEM |
Affected:
0.0.0 , < 1.60
(semver)
|
|
| Wiesemann & Theis | Com-Server UL |
Affected:
0.0.0 , < 1.60
(semver)
|
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CVE-2025-2920 (GCVE-0-2025-2920)
Vulnerability from cvelistv5 – Published: 2025-03-28 18:00 – Updated: 2025-03-28 20:01
VLAI
EPSS
VEX
Title
Netis WF-2404 passwd weak hash
Summary
A vulnerability was found in Netis WF-2404 1.1.124EN. It has been rated as problematic. This issue affects some unknown processing of the file /еtc/passwd. The manipulation leads to use of weak hash. It is possible to launch the attack on the physical device. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.301895 | vdb-entry |
| https://vuldb.com/?ctiid.301895 | signaturepermissions-required |
| https://vuldb.com/?submit.521037 | third-party-advisory |
| https://scoozi.substack.com/p/hacking-a-netis-wf-… | exploit |
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"value": "Eine Schwachstelle wurde in Netis WF-2404 1.1.124EN ausgemacht. Sie wurde als problematisch eingestuft. Davon betroffen ist unbekannter Code der Datei /\u0435tc/passwd. Dank der Manipulation mit unbekannten Daten kann eine use of weak hash-Schwachstelle ausgenutzt werden. Ein Angriff setzt physischen Zugriff auf dem Zielobjekt voraus. Die Komplexit\u00e4t eines Angriffs ist eher hoch. Die Ausnutzbarkeit gilt als schwierig. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
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],
"metrics": [
{
"cvssV4_0": {
"baseScore": 1,
"baseSeverity": "LOW",
"vectorString": "CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 2,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 2,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 1.2,
"vectorString": "AV:L/AC:H/Au:N/C:P/I:N/A:N",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-328",
"description": "Use of Weak Hash",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-327",
"description": "Risky Cryptographic Algorithm",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-03-28T18:00:10.769Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-301895 | Netis WF-2404 passwd weak hash",
"tags": [
"vdb-entry"
],
"url": "https://vuldb.com/?id.301895"
},
{
"name": "VDB-301895 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.301895"
},
{
"name": "Submit #521037 | Netis WF-2404 Router Firmware Version: APR-R4A4-V1.1.124EN-Netis(WF-2404),2010.12.14 16:18. Use of Weak Hash",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.521037"
},
{
"tags": [
"exploit"
],
"url": "https://scoozi.substack.com/p/hacking-a-netis-wf-2404-router-cont"
}
],
"timeline": [
{
"lang": "en",
"time": "2025-03-28T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2025-03-28T01:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2025-03-28T12:53:39.000Z",
"value": "VulDB entry last update"
}
],
"title": "Netis WF-2404 passwd weak hash"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2025-2920",
"datePublished": "2025-03-28T18:00:10.769Z",
"dateReserved": "2025-03-28T11:48:27.854Z",
"dateUpdated": "2025-03-28T20:01:38.179Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation MIT-24
Architecture and Design
Strategy: Libraries or Frameworks
- When there is a need to store or transmit sensitive data, use strong, up-to-date cryptographic algorithms to encrypt that data. Select a well-vetted algorithm that is currently considered to be strong by experts in the field, and use well-tested implementations. As with all cryptographic mechanisms, the source code should be available for analysis.
- For example, US government systems require FIPS 140-2 certification [REF-1192].
- Do not develop custom or private cryptographic algorithms. They will likely be exposed to attacks that are well-understood by cryptographers. Reverse engineering techniques are mature. If the algorithm can be compromised if attackers find out how it works, then it is especially weak.
- Periodically ensure that the cryptography has not become obsolete. Some older algorithms, once thought to require a billion years of computing time, can now be broken in days or hours. This includes MD4, MD5, SHA1, DES, and other algorithms that were once regarded as strong. [REF-267]
Mitigation MIT-52
Architecture and Design
Ensure that the design allows one cryptographic algorithm to be replaced with another in the next generation or version. Where possible, use wrappers to make the interfaces uniform. This will make it easier to upgrade to stronger algorithms. With hardware, design the product at the Intellectual Property (IP) level so that one cryptographic algorithm can be replaced with another in the next generation of the hardware product.
Mitigation
Architecture and Design
Carefully manage and protect cryptographic keys (see CWE-320). If the keys can be guessed or stolen, then the strength of the cryptography itself is irrelevant.
Mitigation MIT-4
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
- Industry-standard implementations will save development time and may be more likely to avoid errors that can occur during implementation of cryptographic algorithms. Consider the ESAPI Encryption feature.
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.
CAPEC-20: Encryption Brute Forcing
An attacker, armed with the cipher text and the encryption algorithm used, performs an exhaustive (brute force) search on the key space to determine the key that decrypts the cipher text to obtain the plaintext.
CAPEC-459: Creating a Rogue Certification Authority Certificate
An adversary exploits a weakness resulting from using a hashing algorithm with weak collision resistance to generate certificate signing requests (CSR) that contain collision blocks in their "to be signed" parts. The adversary submits one CSR to be signed by a trusted certificate authority then uses the signed blob to make a second certificate appear signed by said certificate authority. Due to the hash collision, both certificates, though different, hash to the same value and so the signed blob works just as well in the second certificate. The net effect is that the adversary's second X.509 certificate, which the Certification Authority has never seen, is now signed and validated by that Certification Authority.
CAPEC-473: Signature Spoof
An attacker generates a message or datablock that causes the recipient to believe that the message or datablock was generated and cryptographically signed by an authoritative or reputable source, misleading a victim or victim operating system into performing malicious actions.
CAPEC-475: Signature Spoofing by Improper Validation
An adversary exploits a cryptographic weakness in the signature verification algorithm implementation to generate a valid signature without knowing the key.
CAPEC-608: Cryptanalysis of Cellular Encryption
The use of cryptanalytic techniques to derive cryptographic keys or otherwise effectively defeat cellular encryption to reveal traffic content. Some cellular encryption algorithms such as A5/1 and A5/2 (specified for GSM use) are known to be vulnerable to such attacks and commercial tools are available to execute these attacks and decrypt mobile phone conversations in real-time. Newer encryption algorithms in use by UMTS and LTE are stronger and currently believed to be less vulnerable to these types of attacks. Note, however, that an attacker with a Cellular Rogue Base Station can force the use of weak cellular encryption even by newer mobile devices.
CAPEC-614: Rooting SIM Cards
SIM cards are the de facto trust anchor of mobile devices worldwide. The cards protect the mobile identity of subscribers, associate devices with phone numbers, and increasingly store payment credentials, for example in NFC-enabled phones with mobile wallets. This attack leverages over-the-air (OTA) updates deployed via cryptographically-secured SMS messages to deliver executable code to the SIM. By cracking the DES key, an attacker can send properly signed binary SMS messages to a device, which are treated as Java applets and are executed on the SIM. These applets are allowed to send SMS, change voicemail numbers, and query the phone location, among many other predefined functions. These capabilities alone provide plenty of potential for abuse.
CAPEC-97: Cryptanalysis
Cryptanalysis is a process of finding weaknesses in cryptographic algorithms and using these weaknesses to decipher the ciphertext without knowing the secret key (instance deduction). Sometimes the weakness is not in the cryptographic algorithm itself, but rather in how it is applied that makes cryptanalysis successful. An attacker may have other goals as well, such as: Total Break (finding the secret key), Global Deduction (finding a functionally equivalent algorithm for encryption and decryption that does not require knowledge of the secret key), Information Deduction (gaining some information about plaintexts or ciphertexts that was not previously known) and Distinguishing Algorithm (the attacker has the ability to distinguish the output of the encryption (ciphertext) from a random permutation of bits).