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01 Record

CVE-2026-79300

SEP sesam before 5.2.0.24 mishandles User Authorization with MFA. If AD authentication is configured and MFA is enforced, an attacker can create a second OTP access capability. SEP sesam and Active

LowPUBLISHEDCNA: mitre
CNA base score3.5 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N

02 Description

SEP sesam before 5.2.0.24 mishandles User Authorization with MFA. If AD authentication is configured and MFA is enforced, an attacker can create a second OTP access capability. SEP sesam and Active

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.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.25% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 17.1% of scored records. A rank, not a probability.
NVD base score
3.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N
NVD analysis status
Deferred. NVD last modified this record on 2026-09-22.
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
2026-09-12 22:20Z1 MO AGO
Last updated
2026-09-14 16:22Z1 MO AGO
Reserved
2026-08-25
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Low (CVSS 3.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N
Weaknesses
  • CWE-180Incorrect Behavior Order: Validate Before CanonicalizeVariant
Data version
5.2
Document digest
b9e24417838508a05a8070b2025dfd45a79d24b036607616404b493accd3d756

05 Affected products

VendorProductVersionsPlatforms
SEPsesam1.0 to < 5.2.0.24Windows, Linux, x86, ARM, 64 bit

06 References

07 Remediation

The issue is fixed in latest release versions >= v5.2.0.24. It is strongly recommended to update, if AD authentication is in use.