01 Record
CVE-2026-33388
Incorrect authorization in Credentials Manager in Guardian/CMC before 26.3.0
MediumPUBLISHEDCNA: Nozomi
CNA base score6.4 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/SA:L
02 Description
Incorrect authorization in Credentials Manager in Guardian/CMC before 26.3.0
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
- 0.41% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 35.3% of scored records. A rank, not a probability.
- NVD base score
- 6.4 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/SA:L/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
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-15.
- 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
- 2026-09-08 13:53Z1 MO AGO
- Last updated
- 2026-10-15 01:18Z14 DAYS AGO
- Reserved
- 2026-03-19
- Assigning CNA
- Nozomi
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.4)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/SA:L
- Weaknesses
- CWE-863Incorrect AuthorizationClass
- Data version
- 5.2
- Document digest
- cd7b8d357348aabbc3580e6e80e814b2f953a3a54b4408817dddc52de8045f8e
05 Affected products
06 References
- security.nozominetworks.comhttps://security.nozominetworks.com/NN-2026:19-01
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-911336.html
07 Remediation
Upgrade to v26.3.0 or later.