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CVE-2023-28811

No known exploitation. EPSS puts it in the 32nd percentile. A vendor fix is available.

CVSS 3.17.4HighEPSS percentile32nd0.4% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFixVendor fixNo build named by the sources

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

The vendor has published a fix. Version details are below where the sources state them.

  • Hikvision iDS-EXXHUHAffected: Build date before 230821(Version before V4.1.60 are not affected)Upgrade to: not statedStated by: CVE record
  • Hikvision DS-EXXHGHAffected: Build date before 230821(Version before V4.1.60 are not affected)Upgrade to: not statedStated by: CVE record
  • Hikvision iDS-EXXHQHAffected: Build date before 230821(Version before V4.1.60 are not affected)Upgrade to: not statedStated by: CVE record
  • Hikvision DVR-EXXHUHAffected: Build date before 230821(Version before V4.1.60 are not affected)Upgrade to: not statedStated by: CVE record
  • Hikvision DVR-EXXHGHAffected: Build date before 230821(Version before V4.1.60 are not affected)Upgrade to: not statedStated by: CVE record

Versions as the sources state them. 153 more products have version data. Full version matrix after sign-in

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What it is

From the CVE record

There is a buffer overflow in the password recovery feature of Hikvision NVR/DVR models. If exploited, an attacker on the same local area network (LAN) could cause the device to malfunction by sending specially crafted packets to an unpatched device.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS32nd
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.4% chance of exploitation activity in the next 30 days, which ranks it in the 32nd percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

5 events over 364 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Publishedweakness classified, att&ck mapped

Affected products

And 142 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Scored 7.4 by NVD.

How it is reached

  • Attack Vector AdjacentRequires access to the local network (e.g. same Wi-Fi, Bluetooth)
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)

Impact if exploited

  • Confidentiality NoneNo confidentiality impact
  • Integrity NoneNo integrity impact
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

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We'll flag the next CVE, public exploit or patch for Hikvision, not every advisory.