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Arpine Maghakyan

Arpine Maghakyan

Security Researcher of RedRays.

CVE-2018-2438 Denial of service (DOS) in SAP Internet Graphics Server (IGS), SAP security note 2644238


The SAP Internet Graphics Server (IGS) has several denial-of-service vulnerabilities that allow an attacker to prevent legitimate users from accessing a service, either by crashing or flooding the service.

This security note covers 5 similar Denial of Service (DoS) vulnerabilities in SAP IGS.

Some well-known impacts of Denial of Service vulnerability are –

  • long response delays and service interruptions, thus degrading the service quality experienced by legitimate users
  • direct impact on availability

CVSS Information

CVSS v3 Base Score: 5.3 / 10
CVSS v3 Base Vector:

AV : Attack Vector (Related exploit range)

Network (N)

AC : Attack Complexity (Required attack complexity)

Low (L)

PR : Privileges Required (Level of privileges needed to exploit)

None (N)

UI : User Interaction (Required user participation)

None (N)

S : Scope (Change in scope due to impact caused to components beyond the vulnerable component)

Unchanged (U)

C : Impact to Confidentiality

None (N)

I : Impact to Integrity

None (N)

A : Impact to Availability

Low (L)

CVSS v3 Base Score: 5.3 / 10

CVSS v3 Base Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3 Base Score: 4.8 / 10

CVSS v3 Base Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3 Base Score: 3.7 / 10

CVSS v3 Base Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3 Base Score: 3.1 / 10

CVSS v3 Base Vector: AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

SAP provides this CVSS v3 base score as an estimate of the risk posed by the issue reported in this note. This estimate does not take into account your own system configuration or operational environment. It is not intended to replace any risk assessments you are advised to conduct when deciding on the applicability or priority of this SAP security note. For more information, see the FAQ section at

Available fix and Supported packages

  • BC-FES-IGS | 7.20 | 7.20
  • BC-FES-IGS | 7.20EXT | 7.20EXT
  • BC-FES-IGS | 7.45 | 7.45
  • BC-FES-IGS | 7.49 | 7.49
  • BC-FES-IGS | 7.53 | 7.53
  • SAP IGS 7.20 | SP018 | 000018
  • SAP IGS 7.20_EXT | SP018 | 000018
  • SAP IGS 7.45 | SP007 | 000007
  • SAP IGS 7.49 | SP005 | 000005
  • SAP IGS 7.53 | SP005 | 000005

Affected component

    Internet Graphics Server


Score: 0


Detailed vulnerability information added to RedRays Security Platform. Contact [email protected] for details.




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