CVE-2018-2451
CVE-2018-2451 is a medium-severity vulnerability in Sap Hana Extended Application Services with a CVSS 3.x base score of 6.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-613.
Key facts
- Severity: Medium (CVSS 3.x base score 6.6)
- CVSS v2: 6.0
- EPSS exploit prediction: 1% (63rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-613
- Affected product: Sap Hana Extended Application Services
- Published:
- Last modified:
Description
XS Command-Line Interface (CLI) user sessions with the SAP HANA Extended Application Services (XS), version 1, advanced server may have an unintentional prolonged period of validity. Consequently, a platform user could access controller resources via active CLI session even after corresponding authorizations have been revoked meanwhile by an administrator user. Similarly, an attacker who managed to gain access to the platform user's session might misuse the session token even after the session has been closed.
Frequently asked questions
- What is CVE-2018-2451?
- XS Command-Line Interface (CLI) user sessions with the SAP HANA Extended Application Services (XS), version 1, advanced server may have an unintentional prolonged period of validity. Consequently, a platform user could access controller resources via active CLI session even after corresponding authorizations have been revoked meanwhile by an administrator user. Similarly, an attacker who managed to gain access to the platform user's session might misuse the session token even after the session has been closed.
- How severe is CVE-2018-2451?
- CVE-2018-2451 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-2451 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-2451?
- CVE-2018-2451 affects Sap Hana Extended Application Services. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-2451?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-2451 published?
- CVE-2018-2451 was published on 2018-08-14 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/105091
- https://launchpad.support.sap.com/#/notes/2590705
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=499352742
Affected products (1)
- cpe:2.3:a:sap:hana_extended_application_services:1.0:*:*:*:*:*:*:*
More vulnerabilities in Sap Hana Extended Application Services
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- CVE-2018-2375 — High (CVSS 8.1): In SAP HANA Extended Application Services, 1.0, a controller user who has SpaceAuditor authorization in a specific…
- CVE-2019-0266 — High (CVSS 7.5): Under certain conditions SAP HANA Extended Application Services, version 1.0, advanced model (XS advanced) writes…
- CVE-2018-2373 — High (CVSS 7.5): Under certain circumstances, a specific endpoint of the Controller's API could be misused by unauthenticated users to…
- CVE-2017-16680 — High (CVSS 7.5): Two potential audit log injections in SAP HANA extended application services 1.0, advanced model: 1) Certain HTTP/REST…
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