CVE-2019-17555
CVE-2019-17555 is a high-severity vulnerability in Apache Olingo with a CVSS 3.x base score of 7.5. 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-20.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Apache Olingo
- Published:
- Last modified:
Description
The AsyncResponseWrapperImpl class in Apache Olingo versions 4.0.0 to 4.6.0 reads the Retry-After header and passes it to the Thread.sleep() method without any check. If a malicious server returns a huge value in the header, then it can help to implement a DoS attack.
Frequently asked questions
- What is CVE-2019-17555?
- The AsyncResponseWrapperImpl class in Apache Olingo versions 4.0.0 to 4.6.0 reads the Retry-After header and passes it to the Thread.sleep() method without any check. If a malicious server returns a huge value in the header, then it can help to implement a DoS attack.
- How severe is CVE-2019-17555?
- CVE-2019-17555 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2019-17555 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-17555?
- CVE-2019-17555 affects Apache Olingo. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-17555?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-17555 published?
- CVE-2019-17555 was published on 2019-12-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:apache:olingo:*:*:*:*:*:*:*:*
More vulnerabilities in Apache Olingo
- CVE-2019-17556 — Critical (CVSS 9.8): Apache Olingo versions 4.0.0 to 4.6.0 provide the AbstractService class, which is public API, uses ObjectInputStream…
- CVE-2020-1925 — High (CVSS 7.5): Apache Olingo versions 4.0.0 to 4.7.0 provide the AsyncRequestWrapperImpl class which reads a URL from the Location…
- CVE-2019-17554 — Medium (CVSS 5.5): The XML content type entity deserializer in Apache Olingo versions 4.0.0 to 4.6.0 is not configured to deny the…
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