THREATPORT/VULNERABILITY/CVE-2016-1335
HIGH SEVERITY

CVE-2016-1335

Asr 5000 Series Software vulnerability

CVSS
7.5
EPSS
3.4%
EPSS pct
88th
Exploited
No known
The SSH implementation in Cisco StarOS before 19.3.M0.62771 and 20.x before 20.0.M0.62768 on ASR 5000 devices mishandles a multi-user public-key authentication configuration, which allows remote authenticated users to gain privileges by establishing a connection from an endpoint that was previously used for an administrator's connection, aka Bug ID CSCux22492.
Affected vendor
Cisco
Affected product
Asr 5000 Series Software
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-264 — Permissions, Privileges, and Access Controls
Published
2016-02-19

Risk analysis

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

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2016-1335

  • Confirm whether Cisco Asr 5000 Series Software is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-1335.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-1335

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-1335 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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