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CVE Record

CVE-2011-1473: OpenSSL before 0.9.8l, and 0.9.8m through 1.x, does not properly restrict client-initiated renegotiation wi...

OpenSSL before 0.9.8l, and 0.9.8m through 1.x, does not properly restrict client-initiated renegotiation within the SSL and TLS protocols, which might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection, a different vulnerability than CVE-2011-5094. NOTE: it can also be argued that it is the responsibility of server deployments, not a security library, to prevent or limit renegotiation when it is inappropriate within a specific environment

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This issue lets a remote client repeatedly force expensive SSL/TLS renegotiation work on a server. The main business risk is service degradation or outage, not data theft. Evidence in the bundle does not show CISA KEV listing or active exploitation. Exposure is most likely on legacy or embedded TLS services using affected OpenSSL behavior and allowing client-initiated renegotiation. Internet-facing HTTPS, TLS-wrapped APIs, VPNs, mail gateways, and appliances deserve review if their TLS stack is old or vendor-managed. Schedule remediation as availability risk management, not emergency breach response. Prioritize exposed critical services and legacy appliances. If no affected TLS behavior is present, residual urgency is low. Mitigation focus: Inventory TLS services and identify OpenSSL-backed endpoints with old library versions.; Check vendor guidance for affected products and supported configuration controls.; Disable or limit client-initiated renegotiation where the server stack supports it..

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

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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
15Source 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

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