CVE-2020-7226
CVE-2020-7226 is a high-severity vulnerability in Vt Cryptacular with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 3% (87th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-770
- Affected product: Vt Cryptacular
- Published:
- Last modified:
Description
CiphertextHeader.java in Cryptacular 1.2.3, as used in Apereo CAS and other products, allows attackers to trigger excessive memory allocation during a decode operation, because the nonce array length associated with "new byte" may depend on untrusted input within the header of encoded data.
Frequently asked questions
- What is CVE-2020-7226?
- CiphertextHeader.java in Cryptacular 1.2.3, as used in Apereo CAS and other products, allows attackers to trigger excessive memory allocation during a decode operation, because the nonce array length associated with "new byte" may depend on untrusted input within the header of encoded data.
- How severe is CVE-2020-7226?
- CVE-2020-7226 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2020-7226 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-7226?
- CVE-2020-7226 primarily affects Vt Cryptacular. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-7226?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-7226 published?
- CVE-2020-7226 was published on 2020-01-24 and last updated on 2026-06-17.
References
- https://github.com/apereo/cas/commit/8810f2b6c71d73341d4dde6b09a18eb46cfd6d45
- https://github.com/apereo/cas/commit/93b1c3e9d90e36a19d0fa0f6efb863c6f0235e75
- https://github.com/apereo/cas/commit/a042808d6adbbf44753d52c55cac5f533e24101f
- https://github.com/apereo/cas/pull/4685
- https://github.com/vt-middleware/cryptacular/blob/fafccd07ab1214e3588a35afe3c361519129605f/src/main/java/org/cryptacular/CiphertextHeader.java#L153
- https://github.com/vt-middleware/cryptacular/blob/master/src/main/java/org/cryptacular/CiphertextHeader.java#L153
- https://github.com/vt-middleware/cryptacular/issues/52
- https://lists.apache.org/thread.html/r0847c7eb78c8f9e87d5b841fbd5da52b2ad4b4345e04b51c30621d88%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/r209de85beae4d257d27fc577e3a3e97039bdb4c2dc6f4a8e5a5a5811%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/r2237a27040b57adc2fcc5570bd530ad2038e67fcb2a3ce65283d3143%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/r380781f5b489cb3c818536cd3b3757e806bfe0bca188591e0051ac03%40%3Ccommits.ws.apache.org%3E
- https://lists.apache.org/thread.html/r4a62133ad01d5f963755021027a4cce23f76b8674a13860d2978c7c8%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/r77c48cd851f60833df9a9c9c31f12243508e15d1b2a0961066d44fc6%40%3Ccommits.tomee.apache.org%3E
- https://lists.apache.org/thread.html/rc36b75cabb4d700b48035d15ad8b8c2712bb32123572a1bdaec2510a%40%3Cdev.ws.apache.org%3E
- https://lists.apache.org/thread.html/re04e4f8f0d095387fb6b0ff9016a0af8c93f42e1de93b09298bfa547%40%3Ccommits.ws.apache.org%3E
- https://lists.apache.org/thread.html/re7f46c4cc29a4616e0aa669c84a0eb34832e83a8eef05189e2e59b44%40%3Cdev.ws.apache.org%3E
- https://lists.apache.org/thread.html/rfa4647c58e375996e62a9094bffff6dc350ec311ba955b430e738945%40%3Cdev.ws.apache.org%3E
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
Affected products (6)
- cpe:2.3:a:vt:cryptacular:*:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_services_gatekeeper:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:webcenter_sites:12.2.1.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:webcenter_sites:12.2.1.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:*
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