CVE-2020-0618· NVD / CVE Program· CNA microsoft

A remote code execution vulnerability exists in Microsoft SQL Server Reporting Services when it incorrectly handles page requests, aka 'Micr

Noroxi assessment

Priority: Now (action score 95/100)

CISA has confirmed exploitation in the wild (Sep 18, 2024); it is known to be used in ransomware campaigns. Remediation deadline for US federal agencies: Oct 9, 2024.
A ready-made attack module is public (Metasploit, Nuclei); exploiting it takes no special expertise.
Probability of exploitation in the next 30 days: 99% (FIRST EPSS); higher than 99.9% of all records.
Anyone who can reach it over the internet can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
According to the record, no fixed version is available yet.
Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Patch today or shut off access. Until a fix is released, restrict access to the affected component and follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · CISA KEV · FIRST EPSS

A remote code execution vulnerability exists in Microsoft SQL Server Reporting Services when it incorrectly handles page requests, aka 'Microsoft SQL Server Reporting Services Remote Code Execution Vulnerability'.

HighCVSS 8.8 · v3.1KEVWeaponized No fix recorded

BDU:2020-00821

Published: Feb 11, 2020
Updated: Aug 15, 2026
EPSS: 99.0% · 99th percentile
CWE: CWE-502

Report tools

JSON

Action score

Now

Patch today or shut off access.

CVSS: 35 / 40 · 8.8 / 10
CISA KEV: 30 / 30 · Listed
EPSS: 30 / 30 · 99.0%

CISA SSVC decision

Exploitation: active
Automatable: no
Technical impact: total

Vulnrichment: CISA's decision-tree inputs.

Actively exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on Sep 18, 2024. That signals real attacks, not theory.

Remediation deadline for US federal agencies: Oct 9, 2024.

Known to be used in ransomware campaigns.

Get told when this record changes

In CISA KEV: exploitation in the wild confirmed
Weaponized exploit exists
No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
microsoft	sql server	cpe:2.3:a:microsoft:sql_server

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

microsoft sql server2012
microsoft sql server2014
microsoft sql server2016

Versions reported by the vendor

Affected version ranges reported by the assigning authority (microsoft). Independent of NVD's CPE analysis and usually ahead of it.

Microsoft Microsoft SQL Server
- 2012 for 32-bit Systems Service Pack 4 (QFE), 2012 for x64-based Systems Service Pack 4 (QFE), 2016 for x64-based Systems Service Pack 2 (CU)affected
Microsoft Microsoft SQL Server 2014 Service Pack 3 for 32-bit Systems (CU)
- unspecifiedaffected
Microsoft Microsoft SQL Server 2014 Service Pack 3 for 32-bit Systems (GDR)
- unspecifiedaffected
Microsoft Microsoft SQL Server 2014 Service Pack 3 for x64-based Systems (CU)
- unspecifiedaffected
Microsoft Microsoft SQL Server 2014 Service Pack 3 for x64-based Systems (GDR)
- unspecifiedaffected
Microsoft Microsoft SQL Server 2016 for x64-based Systems Service Pack 2 (GDR)
- unspecifiedaffected

Same product

microsoft: all records

Other highest-scoring records for the same primary product.

CVE-2019-1068A remote code execution vulnerability exists in Microsoft SQL Server when it incorrectly handles processing of internal functions, aka 'MicrKEV
82Now
CVE-2008-5416Heap-based buffer overflow in Microsoft SQL Server 2000 SP4, 8.00.2050, 8.00.2039, and earlier; SQL Server 2000 Desktop Engine (MSDE 2000) S
62This week
CVE-2018-8273A buffer overflow vulnerability exists in the Microsoft SQL Server that could allow remote code execution on an affected system, aka "Micros
48Plan

Published before and after this one in the same product

← EarlierCVE-2017-8516Aug 8, 2017 · Microsoft SQL Server Analysis Services in Microsoft SQL Server 2012, Microsoft SQL Server 2014, and Microsoft SQL Server 2016 allows an info
32Monitor
← EarlierCVE-2019-0819May 16, 2019 · An information disclosure vulnerability exists in Microsoft SQL Server Analysis Services when it improperly enforces metadata permissions, a
28Monitor
Later →CVE-2021-1636Jan 12, 2021 · Microsoft SQL Elevation of Privilege Vulnerability
37Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

Metasploit module ×1
Exploit-DB entry ×1
Nuclei detection template ×1
Proof-of-concept repository on GitHub ×4

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
Source	Kind	Date
Nuclei detection template	Nuclei template CVE-2020-0618	—
Proof-of-concept repository on GitHub	stars:195	2020-02-15
Proof-of-concept repository on GitHub	stars:30	2020-02-18
Proof-of-concept repository on GitHub	stars:2	2022-05-13
Proof-of-concept repository on GitHub	stars:0	2025-03-28
Exploit-DB entry	remote	2020-09-17
Metasploit module	exploit/windows/http/ssrs_navcorrector_viewstateSQL Server Reporting Services (SSRS) ViewState Deserializationexploit	2020-02-11

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

MetasploitFeb 11, 2020-1 d
PublishedFeb 11, 2020
First PoCFeb 15, 2020+3 d
CISA KEVSep 18, 2024+1680 d
TodayOct 25, 2026+2448 d

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

TR-20-756 · Sep 18, 2020(Microsoft SQL Server Reporting Services Zafiyeti)

All national notices →

Technical details

Attack conditions

Anyone who can reach it over the internet can trigger it.
A low-privileged account is enough.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

CWE-502 · Deserialization of Untrusted Data

CVSS vector

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

nvd-primary

Root cause

Data received over the network is deserialized into the language’s native object format without verifying its source. Code paths inside the object can be triggered during deserialization.

The bug in code

The whole CWE-502 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

python

1payload = sock.recv(65536)
2job = pickle.loads(payload)

Fixed

python

1payload = sock.recv(65536)
2if not hmac.compare_digest(sign(payload), header_sig):
3    raise PermissionError("invalid signature")
4job = JobSchema.validate(json.loads(payload))