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.
987 vulnerabilities reference this CWE, most recent first.
CVE-2020-4874 (GCVE-0-2020-4874)
Vulnerability from cvelistv5 – Published: 2024-05-03 16:47 – Updated: 2024-08-04 08:14
VLAI
EPSS
VEX
Title
IBM Cognos Controller information disclosure
Summary
IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 190837.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-03 19:17 UTC
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7149876 | vendor-advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | Cognos Controller |
Affected:
10.4.1, 10.4.2, 11.0.0
|
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CVE-2019-25651 (GCVE-0-2019-25651)
Vulnerability from cvelistv5 – Published: 2026-03-27 21:16 – Updated: 2026-07-15 01:24
VLAI
EPSS
VEX
Title
Ubiquiti UniFi Devices Use of AES-CBC Allows Key Recovery and Unauthorized Device Control
Summary
Ubiquiti UniFi Network Controller prior to 5.10.12 (excluding 5.6.42), UAP FW prior to 4.0.6, UAP-AC, UAP-AC v2, and UAP-AC Outdoor FW prior to 3.8.17, USW FW prior to 4.0.6, USG FW prior to 4.4.34 uses AES-CBC encryption for device-to-controller communication, which contains cryptographic weaknesses that allow attackers to recover encryption keys from captured traffic. Attackers with adjacent network access can capture sufficient encrypted traffic and exploit AES-CBC mode vulnerabilities to derive the encryption keys, enabling unauthorized control and management of network devices.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-30 17:51 UTC
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://community.ui.com/releases/Security-Adviso… | vendor-advisory |
| https://www.vulncheck.com/advisories/ubiquiti-uni… | third-party-advisory |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Ubiquiti | UniFi Network Controller |
Affected:
0 , < 5.6.42
(semver)
Affected: 5.6.43 , < 5.10.12 (semver) |
|
| Ubiquiti | UniFi UAP Firmware |
Affected:
0 , < 4.0.6
(semver)
|
|
| Ubiquiti | UniFi UAP-AC Firmware |
Affected:
0 , < 3.8.17
(semver)
|
|
| Ubiquiti | UniFi USW Firmware |
Affected:
0 , < 4.0.6
(semver)
|
|
| Ubiquiti | UniFi USG Firmware |
Affected:
0 , < 4.4.34
(semver)
|
Date Public
2019-05-15 00:00
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CVE-2019-18340 (GCVE-0-2019-18340)
Vulnerability from cvelistv5 – Published: 2019-12-12 19:08 – Updated: 2024-08-05 01:54
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in Control Center Server (CCS) (All versions < V1.5.0), Control Center Server (CCS) (All versions >= V1.5.0), SiNVR/SiVMS Video Server (All versions < V5.0.0), SiNVR/SiVMS Video Server (All versions >= V5.0.0). Both the SiVMS/SiNVR Video Server and the Control Center Server (CCS) store
user and device passwords by applying weak cryptography.
A local attacker could exploit this vulnerability to extract
the passwords from the user database and/or the device configuration files
to conduct further attacks.
Severity
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | Control Center Server (CCS) |
Affected:
All versions < V1.5.0
|
|
| Siemens | Control Center Server (CCS) |
Affected:
All versions >= V1.5.0
|
|
| Siemens | SiNVR/SiVMS Video Server |
Affected:
All versions < V5.0.0
|
|
| Siemens | SiNVR/SiVMS Video Server |
Affected:
All versions >= V5.0.0
|
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CVE-2019-15795 (GCVE-0-2019-15795)
Vulnerability from cvelistv5 – Published: 2020-03-26 13:00 – Updated: 2024-09-16 19:45
VLAI
EPSS
VEX
Title
python-apt uses MD5 for validation
Summary
python-apt only checks the MD5 sums of downloaded files in `Version.fetch_binary()` and `Version.fetch_source()` of apt/package.py in version 1.9.0ubuntu1 and earlier. This allows a man-in-the-middle attack which could potentially be used to install altered packages and has been fixed in versions 1.9.0ubuntu1.2, 1.6.5ubuntu0.1, 1.1.0~beta1ubuntu0.16.04.7, 0.9.3.5ubuntu3+esm2, and 0.8.3ubuntu7.5.
Severity
4.7 (Medium)
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://usn.ubuntu.com/4247-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/4247-3/ | vendor-advisoryx_refsource_UBUNTU |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Canonical | Python-apt |
Affected:
0.8.3 , < 0.8.3ubuntu7.5
(custom)
Affected: 0.9.3.5 , < 0.9.3.5ubuntu3+esm2 (custom) Affected: 1.1.0 , < 1.1.0~beta1ubuntu0.16.04.7 (custom) Affected: 1.6.5 , < 1.6.5ubuntu0.1 (custom) Affected: 1.9.0 , < 1.9.0ubuntu1.2 (custom) |
Date Public
2019-08-06 00:00
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CVE-2019-14852 (GCVE-0-2019-14852)
Vulnerability from cvelistv5 – Published: 2021-03-18 19:07 – Updated: 2024-08-05 00:26
VLAI
EPSS
VEX
Summary
A flaw was found in 3scale’s APIcast gateway that enabled the TLS 1.0 protocol. An attacker could target traffic using this weaker protocol and break its encryption, gaining access to unauthorized information. Version shipped in Red Hat 3scale API Management Platform is vulnerable to this issue.
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1758208 | x_refsource_MISC |
Impacted products
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CVE-2019-10929 (GCVE-0-2019-10929)
Vulnerability from cvelistv5 – Published: 2019-08-13 18:55 – Updated: 2024-08-04 22:40
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in SIMATIC CP 1626 (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V20.8), SIMATIC HMI Panel (incl. SIPLUS variants) (All versions), SIMATIC NET PC Software V14 (All versions < V14 SP1 Update 14), SIMATIC NET PC Software V15 (All versions), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.4.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.8.1), SIMATIC S7-1500 Software Controller (All versions < V20.8), SIMATIC S7-PLCSIM Advanced (All versions < V3.0), SIMATIC STEP 7 (TIA Portal) (All versions < V16), SIMATIC WinCC (TIA Portal) (All versions < V16), SIMATIC WinCC OA (All versions < V3.16 P013), SIMATIC WinCC Runtime Advanced (All versions < V16), SIMATIC WinCC Runtime Professional (All versions < V16), TIM 1531 IRC (incl. SIPLUS NET variants) (All versions < V2.1). Affected devices contain a message protection bypass vulnerability due to certain properties in the calculation used for integrity protection. This could allow an attacker in a Man-in-the-Middle position to modify network traffic sent on port 102/tcp to the affected devices.
Severity
No CVSS data available.
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_MISC |
| https://www.us-cert.gov/ics/advisories/icsa-19-344-04 | x_refsource_MISC |
Impacted products
16 products
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CVE-2019-7477 (GCVE-0-2019-7477)
Vulnerability from cvelistv5 – Published: 2019-04-02 17:20 – Updated: 2024-08-04 20:54
VLAI
EPSS
VEX
Summary
A vulnerability in SonicWall SonicOS and SonicOSv TLS CBC Cipher allow remote attackers to obtain sensitive plaintext data when CBC cipher suites are enabled. This vulnerability affected SonicOS Gen 5 version 5.9.1.10 and earlier, Gen 6 version 6.2.7.3, 6.5.1.3, 6.5.2.2, 6.5.3.1, 6.2.7.8, 6.4.0.0, 6.5.1.8, 6.0.5.3-86o and SonicOSv 6.5.0.2-8v_RC363 (VMWARE), 6.5.0.2.8v_RC367 (AZURE), SonicOSv 6.5.0.2.8v_RC368 (AWS), SonicOSv 6.5.0.2.8v_RC366 (HYPER_V).
Severity
No CVSS data available.
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.global.sonicwall.com/vuln-detail/SN… | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| SonicWall | SonicOS |
Affected:
5.9.1.10 and earlier
Affected: 6.2.7.3 Affected: 6.5.1.3 Affected: 6.5.2.2 Affected: 6.5.3.1 Affected: 6.2.7.8 Affected: 6.4.0.0 Affected: 6.5.1.8 Affected: 6.0.5.3-86o |
|
| SonicWall | SonicOSv |
Affected:
6.5.0.2-8v_RC363 (VMWARE)
Affected: 6.5.0.2.8v_RC367 (AZURE) Affected: 6.5.0.2.8v_RC368 (AWS) Affected: 6.5.0.2.8v_RC366 (HYPER_V) |
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CVE-2019-3818 (GCVE-0-2019-3818)
Vulnerability from cvelistv5 – Published: 2019-02-05 17:00 – Updated: 2024-08-04 19:19
VLAI
EPSS
VEX
Summary
The kube-rbac-proxy container before version 0.4.1 as used in Red Hat OpenShift Container Platform does not honor TLS configurations, allowing for use of insecure ciphers and TLS 1.0. An attacker could target traffic sent over a TLS connection with a weak configuration and potentially break the encryption.
Severity
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2019-3818 | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/106744 | vdb-entryx_refsource_BID |
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| https://access.redhat.com/errata/RHBA-2019:0327 | vendor-advisoryx_refsource_REDHAT |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| [UNKNOWN] | kube-rbac-proxy |
Affected:
0.4.1
|
Date Public
2019-01-25 00:00
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CVE-2019-3700 (GCVE-0-2019-3700)
Vulnerability from cvelistv5 – Published: 2020-01-24 12:45 – Updated: 2024-09-17 01:26
VLAI
EPSS
VEX
Title
yast: Fallback to DES without configuration in /etc/login.def
Summary
yast2-security didn't use secure defaults to protect passwords. This became a problem on 2019-10-07 when configuration files that set secure settings were moved to a different location. As of the 20191022 snapshot the insecure default settings were used until yast2-security switched to stronger defaults in 4.2.6 and used the new configuration file locations. Password created during this time used DES password encryption and are not properly protected against attackers that are able to access the password hashes.
Severity
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.suse.com/show_bug.cgi?id=1157541 | x_refsource_CONFIRM |
Impacted products
Date Public
2019-11-22 00:00
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CVE-2019-1828 (GCVE-0-2019-1828)
Vulnerability from cvelistv5 – Published: 2019-04-04 15:30 – Updated: 2024-11-21 19:40
VLAI
EPSS
VEX
Title
Cisco Small Business RV320 and RV325 Routers Weak Credential Encryption Vulnerability
Summary
A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an unauthenticated, remote attacker to access administrative credentials. The vulnerability exists because affected devices use weak encryption algorithms for user credentials. An attacker could exploit this vulnerability by conducting a man-in-the-middle attack and decrypting intercepted credentials. A successful exploit could allow the attacker to gain access to an affected device with administrator privileges. This vulnerability affects Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers running firmware releases prior to 1.4.2.22.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-21 18:59 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
| http://www.securityfocus.com/bid/107774 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Small Business RV Series Router Firmware |
Affected:
unspecified , < 1.4.2.22
(custom)
|
Date Public
2019-04-04 00:00
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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).