SSRF in X-stream Xstream
CVE-2021-39150
XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker to request data from internal resources that are not publicly available only by manipulating the pr…
Vulnerability class: Insecure Deserialization
EPSS: 0.021 (84.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- X-stream Xstream — versions < 1.4.18
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/x-stream/xstream/security/advisories/GHSA-cxfm-5m4g-x7xp (x_refsource_CONFIRM)
- x-stream.github.io/CVE-2021-39150.html (x_refsource_MISC)
- [debian-lts-announce] 20210929 [SECURITY] [DLA 2769-1] libxstream-java security update (mailing-list, x_refsource_MLIST)
- FEDORA-2021-fbad11014a (vendor-advisory, x_refsource_FEDORA)
- FEDORA-2021-d894ca87dc (vendor-advisory, x_refsource_FEDORA)
- FEDORA-2021-5e376c0ed9 (vendor-advisory, x_refsource_FEDORA)
- DSA-5004 (vendor-advisory, x_refsource_DEBIAN)
- www.oracle.com/security-alerts/cpujan2022.html (x_refsource_MISC)
- security.netapp.com/advisory/ntap-20210923-0003/ (x_refsource_CONFIRM)
- www.oracle.com/security-alerts/cpuapr2022.html (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-39150?
- CVE-2021-39150 is a high-severity vulnerability in X-stream Xstream, classified under Deserialization of Untrusted Data. CVSS score: 8.5/10. Published 2021-08-23.
- How severe is CVE-2021-39150?
- High severity. CVSS v3 base score is 8.5 out of 10.
- Is CVE-2021-39150 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.