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NVD / CVE Program· CNA mozilla

CVE-2022-34478: The <code>ms-msdt</code>, <code>search</code>, and <code>search-ms</code> protocols deliver content to Microsoft applications, bypassing the

Noroxi assessment

Priority: Monitor (action score 26/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.80% (FIRST EPSS); higher than 56.8% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. A user must open a link or visit a page. No special conditions are required; it is repeatable.
  • Fixed version: firefox-esr (Alpine:v3.16) 91.11.0-r0; thunderbird (Alpine:v3.16) 91.11.0-r0; firefox (Alpine:v3.17) 102.0-r0.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to firefox-esr (Alpine:v3.16) 91.11.0-r0; thunderbird (Alpine:v3.16) 91.11.0-r0; firefox (Alpine:v3.17) 102.0-r0 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

The <code>ms-msdt</code>, <code>search</code>, and <code>search-ms</code> protocols deliver content to Microsoft applications, bypassing the browser, when a user accepts a prompt. These applications have had known vulnerabilities, exploited in the wild (although we know of none exploited through Thunderbird), so in this release Thunderbird has blocked these protocols from prompting the user to open them.<br>*This bug only affects Thunderbird on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

MediumCVSS 6.5 · v3.1—No exploit Fix available
Published
Dec 22, 2022
Updated
Jun 17, 2026
EPSS
0.8% · 56th percentile

Report tools

JSON

Action score

26

Monitor

Low priority for now.

CVSS
26 / 40 · 6.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.8%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2022-34478

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
microsoftwindows
mozillafirefox
mozillafirefox esr
mozillathunderbird

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • mozilla firefoxbefore 102.0
  • mozilla firefox esrbefore 91.11
  • mozilla thunderbirdbefore 91.11

Versions reported by the vendor

Affected version ranges reported by the assigning authority (mozilla). Independent of NVD's CPE analysis and usually ahead of it.

  • Mozilla Firefox

    • unspecified and later · before 102affected

  • Mozilla Firefox ESR

    • unspecified and later · before 91.11affected

  • Mozilla Thunderbird

    • unspecified and later · before 102affected
    • unspecified and later · before 91.11affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Alpine:v3.16firefox-esrbefore 91.11.0-r091.11.0-r0
Alpine:v3.16thunderbirdbefore 91.11.0-r091.11.0-r0
Alpine:v3.17firefoxbefore 102.0-r0102.0-r0
Alpine:v3.17thunderbirdbefore 102.0-r0102.0-r0
Alpine:v3.17thunderbirdbefore 102.1.0-r0102.1.0-r0
Alpine:v3.21librewolfbefore 102.0-r0102.0-r0
openSUSE:Leap 15.3MozillaFirefoxbefore 91.11.0-150200.152.48.191.11.0-150200.152.48.1
openSUSE:Leap 15.3MozillaFirefoxbefore 102.3.0-150200.152.61.1102.3.0-150200.152.61.1
openSUSE:Leap 15.3MozillaFirefox-branding-SLEbefore 102-150200.9.10.1102-150200.9.10.1
openSUSE:Leap 15.3MozillaThunderbirdbefore 91.11.0-150200.8.76.191.11.0-150200.8.76.1
openSUSE:Leap 15.3MozillaThunderbirdbefore 102.2.2-150200.8.82.1102.2.2-150200.8.82.1
openSUSE:TumbleweedMozillaFirefoxbefore 102.0.1-1.1102.0.1-1.1
openSUSE:TumbleweedMozillaThunderbirdbefore 91.11.0-1.191.11.0-1.1
SUSE:HPE Helion OpenStack 8MozillaFirefoxbefore 91.11.0-112.119.191.11.0-112.119.1
SUSE:Linux Enterprise High Performance Computing 15-ESPOSMozillaFirefoxbefore 91.11.0-150000.150.47.191.11.0-150000.150.47.1
SUSE:Linux Enterprise High Performance Computing 15-ESPOSMozillaFirefoxbefore 102.2.0-150000.150.56.1102.2.0-150000.150.56.1
SUSE:Linux Enterprise High Performance Computing 15-ESPOSMozillaFirefox-branding-SLEbefore 102-150000.4.22.1102-150000.4.22.1
SUSE:Linux Enterprise Module for Desktop Applications 15 SP3MozillaFirefoxbefore 102.3.0-150200.152.61.1102.3.0-150200.152.61.1
SUSE:Linux Enterprise Module for Desktop Applications 15 SP3MozillaFirefoxbefore 91.11.0-150200.152.48.191.11.0-150200.152.48.1
SUSE:Linux Enterprise Module for Desktop Applications 15 SP3MozillaFirefox-branding-SLEbefore 102-150200.9.10.1102-150200.9.10.1
SUSE:Linux Enterprise Module for Package Hub 15 SP3MozillaThunderbirdbefore 91.11.0-150200.8.76.191.11.0-150200.8.76.1
SUSE:Linux Enterprise Module for Package Hub 15 SP3MozillaThunderbirdbefore 102.2.2-150200.8.82.1102.2.2-150200.8.82.1
SUSE:OpenStack Cloud 9MozillaFirefoxbefore 102.2.0-112.130.1102.2.0-112.130.1
SUSE:OpenStack Cloud 9MozillaFirefox-branding-SLEbefore 102-35.9.1102-35.9.1

Same product

microsoft: all records

Other highest-scoring records for the same primary product.

  • CVE-2020-24557A vulnerability in Trend Micro Apex One and Worry-Free Business Security 10.0 SP1 on Microsoft Windows may allow an attacker to manipulate aKEV
    62This week
  • CVE-2008-4037Microsoft Windows 2000 Gold through SP4, XP Gold through SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote SMB
    55Plan
  • CVE-2008-0454Cross-zone scripting vulnerability in the Internet Explorer web control in Skype 3.6.0.244, and earlier 3.5.x and 3.6.x versions, on Windows
    45Plan

Published before and after this one in the same product

  • ← EarlierCVE-2021-36958Aug 12, 2021 · Windows Print Spooler Remote Code Execution Vulnerability
    40Plan
  • ← EarlierCVE-2022-23678Sep 6, 2022 · A vulnerability in the Aruba Virtual Intranet Access (VIA) client for Microsoft Windows operating system client communications that could al
    23Monitor
  • Later →CVE-2025-59033Sep 8, 2025 · The Microsoft vulnerable driver block list is implemented as Windows Defender Application Control (WDAC) policy.
    29Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
alpine:firefox102.0-r0 · Alpine:v3.17Package registry (OSV)
alpine:firefox-esr91.11.0-r0 · Alpine:v3.16Package registry (OSV)
alpine:librewolf102.0-r0 · Alpine:v3.21Package registry (OSV)
alpine:thunderbird91.11.0-r0 · Alpine:v3.16Package registry (OSV)
opensuse:MozillaFirefox91.11.0-150200.152.48.1 · openSUSE:Leap 15.3Package registry (OSV)
opensuse:MozillaFirefox-branding-SLE102-150200.9.10.1 · openSUSE:Leap 15.3Package registry (OSV)
opensuse:MozillaThunderbird91.11.0-150200.8.76.1 · openSUSE:Leap 15.3Package registry (OSV)
suse:MozillaFirefox91.11.0-150000.150.47.1 · SUSE:Linux Enterprise High Performance Computing 15-ESPOSPackage registry (OSV)
suse:MozillaFirefox91.11.0-150200.152.48.1 · SUSE:Linux Enterprise Module for Desktop Applications 15 SP3Package registry (OSV)
suse:MozillaFirefox-branding-SLE102-150000.4.22.1 · SUSE:Linux Enterprise High Performance Computing 15-ESPOSPackage registry (OSV)
suse:MozillaFirefox-branding-SLE102-150200.9.10.1 · SUSE:Linux Enterprise Module for Desktop Applications 15 SP3Package registry (OSV)
suse:MozillaThunderbird91.11.0-150200.8.76.1 · SUSE:Linux Enterprise Module for Package Hub 15 SP3Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
None
Integrity impact
High
Availability impact
None

Weakness class (CWE)

CWE-601 · URL Redirection to Untrusted Site ('Open Redirect')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (3 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records