9

CVE-2021-27635: sap se sap netweaver as for java

CVSS: 9.0v3.0CriticalModified
Published 09-06-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-27635 is a critical (CVSS 9.0) vulnerability in sap se sap netweaver as for java. EPSS estimates a 1.59% chance of exploitation in the next 30 days, higher than 75.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
Critical · v3.0 (CVE.org)
EPSS score
1.59%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-06-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

SAP NetWeaver AS for JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker authenticated as an administrator to connect over a network and submit a specially crafted XML file in the application because of missing XML Validation, this vulnerability enables attacker to fully compromise confidentiality by allowing them to read any file on the filesystem or fully compromise availability by causing the system to crash. The attack cannot be used to change any data so that there is no compromise as to integrity.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

1.59%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.59% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.59%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Sap1 product
Sap se1 product

2 vendors · 2 products

References

4 links