Home/CVE/Inadequate Encryption Strength vulnerability in Apache Answer. This issue affects Apache Answer: through 1.3.5. Using
CVE

CVE-2024-40761

Inadequate Encryption Strength vulnerability in Apache Answer. This issue affects Apache Answer: through 1.3.5. Using

Inadequate Encryption Strength vulnerability in Apache Answer. This issue affects Apache Answer: through 1.3.5. Using the MD5 value of a user's email to access Gravatar is insecure and can lead to the leakage of user email.

The official recommendation is to use SHA256 instead. Users are recommended to upgrade to version 1.4.0, which fixes the issue.

MEDIUM · CVSS 5.3 EPSS 0.00806
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-326Inadequate Encryption Strength
▤

Affected Products & Versions

1
apache answer<= 1.3.5
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/apache/incubator-answer MODERATE fixed in 1.4.0
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighDNS TXT Answer with Possible Execution Strings
producthighMSDT Execution Via Answer File
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Sep 2024 · 08:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

12
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.apache.org/thread/mmrhsfy16qwrw0pkv0p9kj40vy3sg08xMailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2024/09/25/2Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/09/25/5Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/09/25/6Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/09/25/7Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/09/25/8Mailing ListThird Party Advisory
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