01 Record
CVE-2023-31136
PostgresNIO processes unencrypted bytes from man-in-the-middle
LowPUBLISHEDCNA: GitHub_M
CNA base score3.7 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
02 Description
PostgresNIO processes unencrypted bytes from man-in-the-middle
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.49% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 41.8% of scored records. A rank, not a probability.
- NVD base score
- 5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-05-09 13:37Z3 YR AGO
- Last updated
- 2025-01-28 17:05Z1 YR AGO
- Reserved
- 2023-04-24
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Low (CVSS 3.7)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-522Insufficiently Protected CredentialsClass
- Data version
- 5.1
- Document digest
- e3e9ea3e47208288650ed57b8750bd45be316f81f01c599c3e694c1ce554283c
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/vapor/postgres-nio/security/advisories/GHSA-9cfh-vx93-84vv
- github.comhttps://github.com/apple/swift-nio/pull/2419
- github.comhttps://github.com/vapor/postgres-nio/commit/2df54bc94607f44584ae6ffa74e3cd754fffafc7
- github.comhttps://github.com/advisories/GHSA-467w-rrqc-395f
- github.comhttps://github.com/advisories/GHSA-735f-7qx4-jqq5
- github.comhttps://github.com/vapor/postgres-nio/releases/tag/1.14.2
- www.postgresql.orghttps://www.postgresql.org/support/security/CVE-2021-23214/
- www.postgresql.orghttps://www.postgresql.org/support/security/CVE-2021-23222/