No exploitation reported

CVE-2016-1335

No exploitation reported by the sources we read.

Published2016-02-19
WeaknessCWE-264

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2016-02-1919:59CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-1335?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-1335?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Cisco asr 5000 series software

Branch	Affected	Fixed in	Source
16.5	= 16.5.2	no fix published	NVD
17.7	= 17.7.0	no fix published	NVD
18.4	= 18.4.0	no fix published	NVD
19.0	= 19.0.1	no fix published	NVD
19.3	= 19.3.0	no fix published	NVD
20.0	= 20.0.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

tools.cisco.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.5read 2026-10-23
NVDCVSS 2.07.1read 2026-10-23
NVDweakness (CWE)CWE-264read 2026-10-23
FIRST EPSSEPSS score3.4 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2016-02-19
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2016-1335?

Is CVE-2016-1335 actively exploited?

Active exploitation of CVE-2016-1335 has not been confirmed. Its EPSS score was 3.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-1335?

CVE-2016-1335 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

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