Security readout for executives and security teams
Plain-English summary
This issue affects Kaspersky Secure Mail Gateway 1.1 and could let someone who already has local access gain higher privileges. The supplied sources do not describe remote exploitation. Business urgency depends on whether version 1.1 remains deployed and who can log into the gateway host.
Executive priority
Prioritize verification if Kaspersky Secure Mail Gateway 1.1 is still in production. This is not evidenced as actively exploited, but privilege escalation on a mail security gateway can worsen the impact of any existing foothold.
Technical view
CVE-2018-6290 is a local privilege escalation vulnerability in Kaspersky Secure Mail Gateway 1.1. The bundle provides no CVSS score, CWE, exploit detail, or fixed version. Treat it as a post-access risk on the gateway system rather than an internet-entry vulnerability based on the provided description.
Likely exposure
Exposure is limited to environments still running Kaspersky Secure Mail Gateway version 1.1. Risk is higher where many administrators, support users, or compromised accounts can access the gateway host locally.
Exploitation context
The CVE is not listed as KEV in the bundle, and the provided sources do not claim active exploitation. The available description supports local privilege escalation only, with incomplete public detail in the prompt.
Researcher notes
The supplied record is sparse: no CVSS, CWE, root cause, or fixed build is included. Avoid assuming remote reachability or exploit availability. Correlate the Kaspersky and Core Security advisories for authoritative remediation details.
Mitigation direction
- Inventory Kaspersky Secure Mail Gateway deployments and confirm whether version 1.1 is present.
- Review Kaspersky’s advisory for the vendor-approved update or workaround path.
- Restrict local shell, console, and administrative access to the gateway host.
- Retire or upgrade unsupported gateway instances according to vendor guidance.
- Monitor privileged account changes and unexpected administrative activity on affected systems.
Validation and detection
- Confirm product name and exact version on each mail gateway instance.
- Check whether the Kaspersky advisory remediation has been applied.
- Review access controls for local users and support accounts on the gateway host.
- Validate logging covers privilege changes, administrator sessions, and failed local access attempts.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Privilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-6290 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://support.kaspersky.com/vulnerability.aspx?el=12430#010218CVE reference · x_refsource_CONFIRM
- https://www.coresecurity.com/advisories/kaspersky-secure-mail-gateway-multiple-vulnerabilitiesCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.