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CVE-2015-7610: Cross-site request forgery (CSRF) vulnerability in the login form in Zimbra Collaboration Suite (aka ZCS) b...

Cross-site request forgery (CSRF) vulnerability in the login form in Zimbra Collaboration Suite (aka ZCS) before 8.6.0 Patch 10, 8.7.x before 8.7.11 Patch 2, and 8.8.x before 8.8.8 Patch 1 allows remote attackers to hijack the authentication of unspecified victims by leveraging failure to use a CSRF token.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This vulnerability affects the Zimbra Collaboration Suite login form. Older patched levels did not use a CSRF token, which could let a remote attacker abuse a victim’s browser authentication flow. The business risk is unauthorized account access exposure on legacy Zimbra deployments, especially internet-facing mail portals.

Executive priority

Treat this as a legacy Zimbra exposure cleanup item. Prioritize internet-facing ZCS systems and environments with sensitive mail access. Urgency is moderate because the issue concerns authentication, but the supplied sources do not show active exploitation or a CVSS severity.

Technical view

CVE-2015-7610 is a CSRF issue in the ZCS login form. The CVE states affected versions are before 8.6.0 Patch 10, 8.7.x before 8.7.11 Patch 2, and 8.8.x before 8.8.8 Patch 1. The source bundle provides no CVSS vector, CWE, or confirmed exploitation detail.

Likely exposure

Organizations still running the listed legacy Zimbra Collaboration Suite versions are the likely exposure group. Internet-facing webmail or admin-adjacent login surfaces increase practical concern. Fully patched or unsupported versions are not confirmed affected by the supplied sources.

Exploitation context

The bundle says remote attackers could hijack authentication by leveraging missing CSRF tokens. It does not provide exploit maturity, payload details, or evidence of active exploitation. KEV is false, so active exploitation should not be asserted from this evidence.

Researcher notes

Key evidence gaps are CVSS, CWE mapping, exploit status, and precise attack preconditions beyond missing CSRF token use. Validate only against owned systems and vendor-documented patch state. Do not infer broader Zimbra products or versions beyond the CVE text.

Mitigation direction

  • Apply the relevant Zimbra patch level or later for the deployed branch.
  • For 8.6.0, verify Patch 10 or later is installed.
  • For 8.7.x, verify 8.7.11 Patch 2 or later is installed.
  • For 8.8.x, verify 8.8.8 Patch 1 or later is installed.
  • Check current Zimbra security guidance for unsupported or migrated versions.

Validation and detection

  • Inventory all Zimbra Collaboration Suite instances and exposed login portals.
  • Record exact ZCS version and patch level from administrative sources.
  • Compare deployed versions against the fixed patch levels in the CVE.
  • Confirm the login form includes CSRF protection after patching.
  • Review authentication logs for unusual session or login patterns.
Prepared
Confidence
medium
Sources
8

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.

description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2015-7610 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
8Source 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.