THREATPORT/VULNERABILITY/CVE-2020-27853
CRITICAL SEVERITY

CVE-2020-27853

Wire vulnerability

CVSS
9.8
EPSS
3.9%
EPSS pct
89th
Exploited
No known
Wire before 2020-10-16 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a format string. This affects Wire AVS (Audio, Video, and Signaling) 5.3 through 6.x before 6.4, the Wire Secure Messenger application before 3.49.918 for Android, and the Wire Secure Messenger application before 3.61 for iOS. This occurs via the value parameter to sdp_media_set_lattr in peerflow/sdp.c.
Affected vendor
Wire
Affected product
Wire
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-134 — Uncontrolled Format String
Published
2020-10-27

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2020-27853

  • Confirm whether Wire Wire is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-27853.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-27853

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-27853 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2020-27853?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2020-27853.

Start free scan

No credit card. Agentless.

Related vulnerabilities

CRITICAL
CVE-2023-3765
Mlflow vulnerability
CRITICAL
CVE-2023-38408
Openssh vulnerability
CRITICAL
CVE-2023-38646
Metabase vulnerability