LiveActive security incident?Get immediate response
CVE Record

CVE-2013-7098: OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on reconnection.

OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on reconnection.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This CVE describes a heap overflow in OpenConnect VPN client builds using GnuTLS before version 5.02. The flaw is triggered when MTU increases during reconnection. It affects endpoint VPN client software, not a named server product in the provided data. Exposure is most likely on endpoints or systems running legacy OpenConnect VPN clients built with GnuTLS before 5.02. The provided sources do not identify operating systems, packages, downstream vendor builds, or CPEs. Handle as a legacy VPN client hygiene issue. Prioritize confirmation and upgrade where OpenConnect is still deployed, but do not claim emergency status because the provided sources show no active exploitation or severity score. Mitigation focus: Inventory OpenConnect client versions across managed endpoints and build images.; Upgrade OpenConnect clients using GnuTLS to version 5.02 or later.; Check distribution vendor advisories for backported fixes in older package versions..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

cve · low confidence lookup

CVE-2013-7098 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.