LiveActive security incident?Get immediate response
CVE Record

CVE-2010-4532: offlineimap before 6.3.2 does not check for SSL server certificate validation when "ssl = yes" option is sp...

offlineimap before 6.3.2 does not check for SSL server certificate validation when "ssl = yes" option is specified which can allow man-in-the-middle attacks.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

OfflineIMAP before 6.3.2 could use SSL without validating the mail server certificate. That means an attacker positioned on the network could impersonate the mail server and intercept or alter synchronized email traffic.

Executive priority

Treat this as a targeted confidentiality risk for legacy mail synchronization clients. It is not broadly critical from the provided evidence, but exposed systems may leak sensitive email if used on hostile networks.

Technical view

The issue affects offlineimap versions before 6.3.2 when the ssl = yes option is used. The client did not validate the SSL server certificate, exposing IMAP synchronization sessions to man-in-the-middle attacks. The source bundle provides no CVSS score, CWE, or confirmed exploitation evidence.

Likely exposure

Exposure is likely limited to systems running offlineimap before 6.3.2, especially clients synchronizing mail over networks where interception is plausible. Organizations not using offlineimap are not exposed based on the provided sources.

Exploitation context

The source bundle does not indicate active exploitation, and the CVE is not listed as KEV. Practical exploitation would require a network position capable of intercepting or redirecting the client’s connection to the mail server.

Researcher notes

Key facts are clear: affected product, version boundary, configuration trigger, and man-in-the-middle impact. Evidence is incomplete on CVSS, affected distributions, exploitation in the wild, and detailed vendor fix mechanics.

Mitigation direction

  • Inventory systems for offlineimap installations older than 6.3.2.
  • Upgrade to offlineimap 6.3.2 or a vendor-supported fixed package.
  • Prioritize clients syncing sensitive mail across shared or untrusted networks.
  • Check Debian, Red Hat, or relevant vendor guidance for package-specific remediation.
  • Limit vulnerable client use until the certificate validation issue is remediated.

Validation and detection

  • Confirm whether offlineimap is installed and identify its version.
  • Review offlineimap accounts configured with ssl = yes.
  • Verify upgraded systems run 6.3.2 or a vendor-fixed build.
  • Assess whether affected clients traverse untrusted or interceptable networks.
  • Document remaining legacy clients and compensating controls.
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

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-2010-4532 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
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 6.3.2Listed
Weakness

CWE details

No CWE listed

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