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No exploitation reportedFix available

CVE-2018-1251

No exploitation reported by the sources we read.

  • Published2018-09-28
  • Fixed in4.3.1.1525703027
  • WeaknessCWE-601

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

Dell EMC Unity and UnityVSA versions prior to 4.3.1.1525703027 contains a URL Redirection vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to redirect Unity users to arbitrary web URLs by tricking the victim user to click on a maliciously crafted Unisphere URL. Attacker could potentially phish information, including Unisphere users' credentials, from the victim once they are redirected.

Timeline

dates in UTC
  1. 2018-09-2818:29CVE 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-2018-1251?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-1251?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Dell emc unity firmwareversion to verify
BranchAffectedFixed in
4.3< 4.3.1.15257030274.3.1.1525703027
Dell emc unityvsa
BranchAffectedFixed in
4.3< 4.3.1.15257030274.3.1.1525703027

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

Fix

  1. Update Dell emc unity firmware to 4.3.1.1525703027

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CNACVSS 3.08.3read 2026-10-23
  • NVDCVSS 3.08.1read 2026-10-23
  • NVDCVSS 2.05.8read 2026-10-23
  • NVDweakness (CWE)CWE-601read 2026-10-23
  • FIRST EPSSEPSS score2.5 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Published
2018-09-28
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2018-1251?

Dell EMC Unity and UnityVSA versions prior to 4.3.1.1525703027 contains a URL Redirection vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to redirect Unity users to arbitrary web URLs by tricking the victim user to click on a maliciously crafted Unisphere URL. Attacker could potentially phish information, including Unisphere users' credentials, from the victim once they are redirected.

Is CVE-2018-1251 actively exploited?

Active exploitation of CVE-2018-1251 has not been confirmed. Its EPSS score was 2.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-1251?

CVE-2018-1251 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

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