CVE-2023-54356 json
Kyverno before 1.9.5 Sweet32 Medium Strength Cipher Suites
published 2023-05-30 3 y ago modified 2026-10-14 26 d ago also BIT-kyverno-2023-54356 , EUVD-2023-60611 , GHSA-hgv6-w7r3-w4qw , GO-2023-1804
- cvss
- 3.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 9%
- public exploits
- 0
- none known
Summary
Kyverno versions 1.9.4 and earlier support insecure 3DES cipher suites (TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA and TLS_RSA_WITH_3DES_EDE_CBC_SHA) on their TLS endpoints. These 64-bit block ciphers are vulnerable to the Sweet32 attack (CVE-2016-2183), which, over very long-lived TLS connections carrying large volumes of traffic, could allow an attacker to recover small amounts of plaintext. The issue is fixed in Kyverno 1.9.5 and 1.10.0.
Patch / fix
- go github.com/kyverno/kyverno 1.9.5
- bitnami kyverno 1.9.5
- kyverno kyverno 1.9.5, 1.10.0
- github.com/kyverno/kyverno#7308 pull request
- github.com/kyverno/kyverno/releases/tag/v1.9.5 release
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2023-54356 updated
Kyverno: Kyverno before 1.9.5 Sweet32 Medium Strength Cipher Suites
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
| CNA | 4.0 | 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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 |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/kyverno/kyverno | <1.9.5 |
1.9.5 |
| bitnami | kyverno | <1.9.5 |
1.9.5 |
Affected products
- kyverno kyverno
Classification
- Weakness
-
- CWE-326 Inadequate Encryption Strength
References
-
github.com
/kyverno/kyverno/pull/7308
web, patch
-
github.com
/kyverno/kyverno/security/advisories/GHSA-hgv6-w7r3-w4qw
vendor-advisory, web, advisory
-
vulncheck.com
/advisories/kyverno-before-1.9.5-sweet32-medium-strength-cipher-suites
third-party-advisory, web
-
github.com
/kyverno/kyverno
package
-
github.com
/kyverno/kyverno/releases/tag/v1.9.5
web
-
nvd.nist.gov
/vuln/detail/CVE-2023-54356
web
Sources
- CVE List CVE-2023-54356
- GitHub Advisory GHSA-hgv6-w7r3-w4qw
- NVD CVE-2023-54356
- OSV BIT-kyverno-2023-54356
- OSV GO-2023-1804
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.