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CVE-2020-7069
Wrong ciphertext/tag in AES-CCM encryption for a 12 bytes IV
Medium5.4EPSS 2.1%
- Published
- Updated
- Reserved
- Assigned by
- php
Description
In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with openssl_encrypt() function with 12 bytes IV, only first 7 bytes of the IV is actually used. This can lead to both decreased security and incorrect encryption data.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| phpCNA (assigner) | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 2.1% · top 19% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.
Weakness
Affected products
References (13)
- https://bugs.php.net/bug.php?id=79601 (opens in a new tab)x_refsource_MISCx_transferred
- FEDORA-2020-4573f0e03a (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2020-4fe6b116e5 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2020-94763cb98b (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- openSUSE-SU-2020:1703 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-4583-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- openSUSE-SU-2020:1767 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- GLSA-202012-16 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- DSA-4856 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://www.oracle.com/security-alerts/cpuApr2021.html (opens in a new tab)x_refsource_MISCx_transferred
- https://security.netapp.com/advisory/ntap-20201016-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.oracle.com/security-alerts/cpuoct2021.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.tenable.com/security/tns-2021-14 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-7069)Record last updated .