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.
963 vulnerabilities reference this CWE, most recent first.
GHSA-9XFQ-8P97-MF3J
Vulnerability from github – Published: 2025-12-13 21:30 – Updated: 2025-12-13 21:30A security flaw has been discovered in Tenda AX9 22.03.01.46. This affects the function image_check of the component httpd. The manipulation results in use of weak hash. It is possible to launch the attack remotely. A high complexity level is associated with this attack. It is indicated that the exploitability is difficult. The exploit has been released to the public and may be exploited.
{
"affected": [],
"aliases": [
"CVE-2025-14636"
],
"database_specific": {
"cwe_ids": [
"CWE-327"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-12-13T19:15:38Z",
"severity": "MODERATE"
},
"details": "A security flaw has been discovered in Tenda AX9 22.03.01.46. This affects the function image_check of the component httpd. The manipulation results in use of weak hash. It is possible to launch the attack remotely. A high complexity level is associated with this attack. It is indicated that the exploitability is difficult. The exploit has been released to the public and may be exploited.",
"id": "GHSA-9xfq-8p97-mf3j",
"modified": "2025-12-13T21:30:23Z",
"published": "2025-12-13T21:30:23Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-14636"
},
{
"type": "WEB",
"url": "https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Tenda/AX9_Inte.md"
},
{
"type": "WEB",
"url": "https://vuldb.com/?ctiid.336361"
},
{
"type": "WEB",
"url": "https://vuldb.com/?id.336361"
},
{
"type": "WEB",
"url": "https://vuldb.com/?submit.707213"
},
{
"type": "WEB",
"url": "https://www.tenda.com.cn"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-C227-62WJ-H696
Vulnerability from github – Published: 2025-10-16 18:30 – Updated: 2025-11-06 21:31Ilevia EVE X1 Server firmware versions ≤ 4.7.18.0.eden contain an insecure hashing algorithm vulnerability. The product stores passwords using the MD5 hash function without applying a per‑password salt. Because MD5 is a fast, unsalted hash, an attacker who obtains the password database can efficiently perform offline dictionary, rainbow‑table, or brute‑force attacks to recover the original passwords. Ilevia has declined to service this vulnerability, and recommends that customers not expose port 8080 to the internet.
{
"affected": [],
"aliases": [
"CVE-2025-34519"
],
"database_specific": {
"cwe_ids": [
"CWE-327"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-10-16T18:15:36Z",
"severity": "HIGH"
},
"details": "Ilevia\u00a0EVE X1 Server firmware versions \u2264 4.7.18.0.eden contain an insecure hashing algorithm vulnerability.\u00a0The product stores passwords using the MD5 hash function without applying a per\u2011password salt.\u00a0Because MD5 is a fast, unsalted hash, an attacker who obtains the password database can efficiently perform offline dictionary, rainbow\u2011table, or brute\u2011force attacks to recover the original passwords. Ilevia has declined to service this vulnerability, and recommends that customers not expose port 8080 to the internet.",
"id": "GHSA-c227-62wj-h696",
"modified": "2025-11-06T21:31:18Z",
"published": "2025-10-16T18:30:25Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-34519"
},
{
"type": "WEB",
"url": "https://www.ilevia.com"
},
{
"type": "WEB",
"url": "https://www.vulncheck.com/advisories/ilevia-eve-x1-server-insecure-hashing-algorithm"
},
{
"type": "WEB",
"url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2025-5964.php"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-C39Q-WR4F-XPW7
Vulnerability from github – Published: 2025-03-20 12:32 – Updated: 2026-04-08 18:33The File Away plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the ajax() function in all versions up to, and including, 3.9.9.0.1. This makes it possible for unauthenticated attackers, leveraging the use of a reversible weak algorithm, to read the contents of arbitrary files on the server, which can contain sensitive information.
{
"affected": [],
"aliases": [
"CVE-2025-2539"
],
"database_specific": {
"cwe_ids": [
"CWE-327"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-03-20T12:15:14Z",
"severity": "HIGH"
},
"details": "The File Away plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the ajax() function in all versions up to, and including, 3.9.9.0.1. This makes it possible for unauthenticated attackers, leveraging the use of a reversible weak algorithm, to read the contents of arbitrary files on the server, which can contain sensitive information.",
"id": "GHSA-c39q-wr4f-xpw7",
"modified": "2026-04-08T18:33:51Z",
"published": "2025-03-20T12:32:53Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-2539"
},
{
"type": "WEB",
"url": "https://github.com/whattheslime/file-away-exploit?tab=readme-ov-file"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/file-away/trunk/lib/cls/class.fileaway_encrypted.php"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/file-away/trunk/lib/cls/class.fileaway_stats.php"
},
{
"type": "WEB",
"url": "https://wordpress.org/plugins/file-away/#developers"
},
{
"type": "WEB",
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/5b23bd5c-db27-4d63-8461-1f36958a2ff6?source=cve"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-C4CP-HJXC-9M9G
Vulnerability from github – Published: 2022-05-24 17:32 – Updated: 2022-11-16 19:00Algorithm downgrade vulnerability in QuickConnect in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors.
{
"affected": [],
"aliases": [
"CVE-2020-27652"
],
"database_specific": {
"cwe_ids": [
"CWE-327"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2020-10-29T09:15:00Z",
"severity": "HIGH"
},
"details": "Algorithm downgrade vulnerability in QuickConnect in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors.",
"id": "GHSA-c4cp-hjxc-9m9g",
"modified": "2022-11-16T19:00:32Z",
"published": "2022-05-24T17:32:35Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27652"
},
{
"type": "WEB",
"url": "https://www.synology.com/security/advisory/Synology_SA_20_18"
},
{
"type": "WEB",
"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1061"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-C4V7-P4HQ-5262
Vulnerability from github – Published: 2022-05-13 01:22 – Updated: 2022-05-13 01:22In Wireshark 2.6.0 to 2.6.5 and 2.4.0 to 2.4.11, the ISAKMP dissector could crash. This was addressed in epan/dissectors/packet-isakmp.c by properly handling the case of a missing decryption data block.
{
"affected": [],
"aliases": [
"CVE-2019-5719"
],
"database_specific": {
"cwe_ids": [
"CWE-327"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-01-08T23:29:00Z",
"severity": "MODERATE"
},
"details": "In Wireshark 2.6.0 to 2.6.5 and 2.4.0 to 2.4.11, the ISAKMP dissector could crash. This was addressed in epan/dissectors/packet-isakmp.c by properly handling the case of a missing decryption data block.",
"id": "GHSA-c4v7-p4hq-5262",
"modified": "2022-05-13T01:22:32Z",
"published": "2022-05-13T01:22:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-5719"
},
{
"type": "WEB",
"url": "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15374"
},
{
"type": "WEB",
"url": "https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=b5b02f2a9b8772d8814096f86c60a32889d61f2c"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/01/msg00022.html"
},
{
"type": "WEB",
"url": "https://seclists.org/bugtraq/2019/Mar/35"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2019/dsa-4416"
},
{
"type": "WEB",
"url": "https://www.wireshark.org/security/wnpa-sec-2019-04.html"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-C6MP-CG9X-C27J
Vulnerability from github – Published: 2022-05-14 04:00 – Updated: 2022-05-14 04:00Sonatype Nexus Repository Manager through 2.14.5 has weak password encryption with a hardcoded CMMDwoV value in the LDAP integration feature.
{
"affected": [],
"aliases": [
"CVE-2017-17717"
],
"database_specific": {
"cwe_ids": [
"CWE-327"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2017-12-17T17:29:00Z",
"severity": "CRITICAL"
},
"details": "Sonatype Nexus Repository Manager through 2.14.5 has weak password encryption with a hardcoded CMMDwoV value in the LDAP integration feature.",
"id": "GHSA-c6mp-cg9x-c27j",
"modified": "2022-05-14T04:00:36Z",
"published": "2022-05-14T04:00:36Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-17717"
},
{
"type": "WEB",
"url": "http://openwall.com/lists/oss-security/2017/12/17/3"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-C6RR-V7P8-35WH
Vulnerability from github – Published: 2022-05-24 17:36 – Updated: 2022-05-24 17:36A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). Due to the usage of an outdated cipher mode on port 10005/tcp, an attacker could extract the encryption key from a captured communication with the device.
{
"affected": [],
"aliases": [
"CVE-2020-25230"
],
"database_specific": {
"cwe_ids": [
"CWE-327"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2020-12-14T21:15:00Z",
"severity": "HIGH"
},
"details": "A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions \u003c V8.3). Due to the usage of an outdated cipher mode on port 10005/tcp, an attacker could extract the encryption key from a captured communication with the device.",
"id": "GHSA-c6rr-v7p8-35wh",
"modified": "2022-05-24T17:36:18Z",
"published": "2022-05-24T17:36:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-25230"
},
{
"type": "WEB",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-480824.pdf"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-C74C-728W-P7X8
Vulnerability from github – Published: 2026-03-03 21:31 – Updated: 2026-03-03 21:31IBM MQ Appliance 9.4 CD through 9.4.4.0 to 9.4.4.1
{
"affected": [],
"aliases": [
"CVE-2025-14456"
],
"database_specific": {
"cwe_ids": [
"CWE-327"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-03-03T21:15:56Z",
"severity": "MODERATE"
},
"details": "IBM MQ Appliance 9.4 CD through 9.4.4.0 to 9.4.4.1",
"id": "GHSA-c74c-728w-p7x8",
"modified": "2026-03-03T21:31:17Z",
"published": "2026-03-03T21:31:16Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-14456"
},
{
"type": "WEB",
"url": "https://www.ibm.com/support/pages/node/7260383"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-C8RM-QRP7-66MR
Vulnerability from github – Published: 2023-07-03 21:30 – Updated: 2024-04-04 05:20The affected TBox RTUs store hashed passwords using MD5 encryption, which is an insecure encryption algorithm.
{
"affected": [],
"aliases": [
"CVE-2023-36608"
],
"database_specific": {
"cwe_ids": [
"CWE-327"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-07-03T20:15:09Z",
"severity": "MODERATE"
},
"details": "\nThe affected TBox RTUs store hashed passwords using MD5 encryption, which is an insecure encryption algorithm.",
"id": "GHSA-c8rm-qrp7-66mr",
"modified": "2024-04-04T05:20:38Z",
"published": "2023-07-03T21:30:57Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-36608"
},
{
"type": "WEB",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-180-03"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-C8VG-3HF7-W2Q5
Vulnerability from github – Published: 2025-12-10 21:31 – Updated: 2025-12-11 18:30The application uses an insecure hashing algorithm (MD5) to hash passwords. If an attacker obtained a copy of these hashes, either through exploiting cloud services, performing TLS downgrade attacks on the traffic from a mobile device, or through another means, they may be able to crack the hash in a reasonable amount of time and gain unauthorized access to the victim's account.
{
"affected": [],
"aliases": [
"CVE-2025-65831"
],
"database_specific": {
"cwe_ids": [
"CWE-327"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-12-10T21:16:08Z",
"severity": "HIGH"
},
"details": "The application uses an insecure hashing algorithm (MD5) to hash passwords. If an attacker obtained a copy of these hashes, either through exploiting cloud services, performing TLS downgrade attacks on the traffic from a mobile device, or through another means, they may be able to crack the hash in a reasonable amount of time and gain unauthorized access to the victim\u0027s account.",
"id": "GHSA-c8vg-3hf7-w2q5",
"modified": "2025-12-11T18:30:43Z",
"published": "2025-12-10T21:31:38Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-65831"
},
{
"type": "WEB",
"url": "https://gist.github.com/dead1nfluence/4dffc239b4a460f41a03345fd8e5feb5#file-lack-of-certificate-pinning-md"
},
{
"type": "WEB",
"url": "https://github.com/dead1nfluence/Meatmeet-Pro-Vulnerabilities/blob/main/Mobile-Application/Insecure-Algorithm.md"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
}
]
}
Mitigation MIT-24
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
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
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
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
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).