NVD / CVE Program· CNA mitre

CVE-2019-18988: TeamViewer Desktop through 14.7.1965 allows a bypass of remote-login access control because the same key is used for different customers' in

Noroxi assessment

Priority: Plan (action score 59/100)

CISA has confirmed exploitation in the wild (Nov 3, 2021). Remediation deadline for US federal agencies: May 3, 2022.
A ready-made attack module is public (Metasploit); exploiting it takes no special expertise.
Probability of exploitation in the next 30 days: 4.7% (FIRST EPSS); higher than 91.7% of all records.
Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. Special conditions such as timing or configuration are required.
According to the record, no fixed version is available yet.
Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Add it to your regular patch cycle. Update when a fix is released; follow the vendor's advisory.

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 · CISA KEV · FIRST EPSS

TeamViewer Desktop through 14.7.1965 allows a bypass of remote-login access control because the same key is used for different customers' installations. It used a shared AES key for all installations since at least as far back as v7.0.43148, and used it for at least OptionsPasswordAES in the current version of the product. If an attacker were to know this key, they could decrypt protect information stored in the registry or configuration files of TeamViewer. With versions before v9.x , this allowed for attackers to decrypt the Unattended Access password to the system (which allows for remote login to the system as well as headless file browsing). The latest version still uses the same key for OptionPasswordAES but appears to have changed how the Unattended Access password is stored. While in most cases an attacker requires an existing session on a system, if the registry/configuration keys were stored off of the machine (such as in a file share or online), an attacker could then decrypt the required password to login to the system.

HighCVSS 7.0 · v3.1KEVWeaponized No fix recorded

Published: Feb 7, 2020
Updated: Jun 16, 2026
EPSS: 4.7% · 91th percentile
CWE: CWE-521

Report tools

JSON

Action score

Plan

Add it to your regular patch cycle.

CVSS: 28 / 40 · 7.0 / 10
CISA KEV: 30 / 30 · Listed
EPSS: 1 / 30 · 4.7%

CISA SSVC decision

Exploitation: active
Automatable: no
Technical impact: partial

Vulnrichment: CISA's decision-tree inputs.

Actively exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on Nov 3, 2021. That signals real attacks, not theory.

Remediation deadline for US federal agencies: May 3, 2022.

Get told when this record changes

In CISA KEV: exploitation in the wild confirmed
Weaponized exploit exists
No fixed version yet

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

Running WordPress? Scan your site free with WP Lens

Is your version affected? Check it

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.

We use this product, ask for help

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.

Vendor	Product	CPE
teamviewer	teamviewer	cpe:2.3:a:teamviewer:teamviewer

Affected versions

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

teamviewer teamviewerup to 14.7.1965 inclusive

Same product

teamviewer: all records

Other highest-scoring records for the same primary product.

CVE-2020-13699TeamViewer Desktop for Windows before 15.8.3 does not properly quote its custom URI handlers.
60This week
CVE-2018-16550TeamViewer 10.x through 13.x allows remote attackers to bypass the brute-force authentication protection mechanism by skipping the "Cancel"
40Plan
CVE-2010-3128Untrusted search path vulnerability in TeamViewer 5.0.8703 and earlier allows local users, and possibly remote attackers, to execute arbitra
40Plan

Published before and after this one in the same product

← EarlierCVE-2019-18196Oct 24, 2019 · A DLL side loading vulnerability in the Windows Service in TeamViewer versions up to 11.0.133222 (fixed in 11.0.214397), 12.0.181268 (fixed
26Monitor
← EarlierCVE-2019-19362Dec 1, 2019 · An issue was discovered in the Chat functionality of the TeamViewer desktop application 14.3.4730 on Windows.
27Monitor
Later →CVE-2021-34803Jun 16, 2021 · TeamViewer before 14.7.48644 on Windows loads untrusted DLLs in certain situations.
31Monitor

Remediation

Which version to upgrade to

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

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

Metasploit module ×1
Proof-of-concept repository on GitHub ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
Source	Kind	Date
Metasploit module	post/windows/gather/credentials/teamviewer_passwordsWindows Gather TeamViewer Passwordspost	—
Proof-of-concept repository on GitHub	stars:3	2020-07-13

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.

PublishedFeb 7, 2020
First PoCJul 13, 2020+156 d
CISA KEVNov 3, 2021+634 d
TodayOct 28, 2026+2455 d

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

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