01 Record
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' installations. It used a shared AES key for all installations
HighKEVPUBLISHEDCNA: mitre
CNA base score7.0 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
02 Description
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
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2021-11-03. Federal remediation due 2022-05-03.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 4.70% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.5% of scored records. A rank, not a probability.
- NVD base score
- 7.0 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-02-07 15:09Z6 YR AGO
- Last updated
- 2025-10-21 23:35Z1 YR AGO
- Reserved
- 2019-11-15
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.0)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-521Weak Password RequirementsBase
- Data version
- 5.1
- Document digest
- 5e886af741bb4dafc5c8a184fc6e4429e36b5bc98f60f9bae9529a89d42cf84d
05 Affected products
VendorProductVersionsPlatforms
06 References
- community.teamviewer.comhttps://community.teamviewer.com/t5/Knowledge-Base/tkb-p/Knowledgebase?threadtype=label&labels=Security
- whynotsecurity.comhttps://whynotsecurity.com/blog/teamviewer/
- twitter.comhttps://twitter.com/Blurbdust/status/1224212682594770946?s=20
- community.teamviewer.comhttps://community.teamviewer.com/t5/Announcements/Specification-on-CVE-2019-18988/td-p/82264
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18988