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CVE Record

CVE-2010-4533: offlineimap before 6.3.4 added support for SSL server certificate validation but it is still possible to us...

offlineimap before 6.3.4 added support for SSL server certificate validation but it is still possible to use SSL v2 protocol, which is a flawed protocol with multiple security deficiencies.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

OfflineIMAP versions before 6.3.4 could still use SSLv2, an obsolete and unsafe encryption protocol, even after certificate validation support was added. The business risk is exposure of mail synchronization traffic or credentials if a user connects over a weak protocol path. The sources do not show active exploitation.

Executive priority

Treat as a legacy hygiene issue unless OfflineIMAP is still used on sensitive mailboxes or unmanaged endpoints. Prioritize discovery and package updates, but the provided evidence does not support emergency response.

Technical view

CVE-2010-4533 concerns OfflineIMAP before 6.3.4 allowing SSLv2 use. SSLv2 has known protocol weaknesses, so allowing it can undermine confidentiality and connection security despite server certificate validation. The source bundle provides no CVSS score, CWE mapping, exploit details, or product impact beyond OfflineIMAP.

Likely exposure

Exposure is likely limited to systems running OfflineIMAP before 6.3.4, especially legacy Linux or Unix hosts synchronizing mail over SSL/TLS. Internet-facing servers are not the primary affected asset; the vulnerable component is the mail client-side synchronization tool.

Exploitation context

The bundle lists KEV as false and provides no cited evidence of active exploitation. Practical risk depends on whether SSLv2 negotiation is possible in the deployment path and whether an attacker can interfere with mail client network traffic.

Researcher notes

The available record is sparse: no CVSS, CWE, exploit details, or detailed patch note is included. Analysis should stay tied to OfflineIMAP before 6.3.4 and SSLv2 allowance. Do not broaden this to unrelated mail clients or TLS issues without additional sources.

Mitigation direction

  • Upgrade OfflineIMAP to 6.3.4 or later where available.
  • Apply relevant Debian, Red Hat, or distribution security updates.
  • Disable SSLv2 support in local SSL libraries or policy where manageable.
  • Review vendor guidance if packaged fixes are unavailable.
  • Retire legacy OfflineIMAP installations that cannot be updated.

Validation and detection

  • Inventory hosts with OfflineIMAP installed and record package versions.
  • Confirm no installation is older than 6.3.4.
  • Review mail synchronization configurations for SSL/TLS usage.
  • Check OS vendor advisories for fixed package availability.
  • Verify SSLv2 is disabled by system crypto policy where applicable.
Prepared
Confidence
medium
Sources
7

Public sources used

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

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CVE-2010-4533 mapping review

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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
6Source 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
offlineimapofflineimapbefore 6.3.4Listed
Weakness

CWE details

No CWE listed

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