CVE-2018-1320

Apache Thrift Java client library versions 0.5.0 through 0.11.0 can bypass SASL negotiation isComplete validation in the org.apache.thrift.transport.TSaslTransport class. An assert used to determine if the SASL handshake had successfully completed could be disabled in production settings making the validation incomplete.

Published: 2019-01-07 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-1320 is rated High Risk (67.9/100): CVSS High severity, with high exploitation likelihood (EPSS 8.19%, 94th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +8.08% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-1320

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.11% 8.19% +8.08%
2 2025-11-21 6.11% 0.11% -6.00%
3 2025-11-18 6.11%

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-1320

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2018-1320

GitHub Security Advisory for CVE-2018-1320

GHSA-wjxj-f8rg-99wx · Severity: high · Ecosystem: maven — Improper Input Validation in Apache Thrift

OS Trackers for CVE-2018-1320

vendor priority summary link
debian not yet assigned CVE-2018-1320 not yet assigned priority: Debian including 1 source packages (libthrift-java), 4 status rows across 4 suites (bookworm, forky, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2018-1320
redhat medium https://access.redhat.com/security/cve/CVE-2018-1320
ubuntu medium CVE-2018-1320 medium priority: Ubuntu including 1 source packages (libthrift-java), 6 status rows across 6 suites (bionic, cosmic, disco, trusty, upstream, xenial): released 4, DNE 2. https://ubuntu.com/security/CVE-2018-1320

Affected software / configurations for CVE-2018-1320

Vendor Product Version Raw CPE
apache thrift >= 0.5.0, <= 0.11.0 cpe:2.3:a:apache:thrift:*:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
f5 traffix_signaling_delivery_controller >= 5.0.0, <= 5.1.0 cpe:2.3:a:f5:traffix_signaling_delivery_controller:*:*:*:*:*:*:*:*
oracle global_lifecycle_management_opatch < 11.2.0.3.23 cpe:2.3:a:oracle:global_lifecycle_management_opatch:*:*:*:*:*:*:*:*
oracle global_lifecycle_management_opatch >= 12.2.0.1.0, < 12.2.0.1.19 cpe:2.3:a:oracle:global_lifecycle_management_opatch:*:*:*:*:*:*:*:*
oracle global_lifecycle_management_opatch >= 13.9.4.0.0, < 13.9.4.2.1 cpe:2.3:a:oracle:global_lifecycle_management_opatch:*:*:*:*:*:*:*:*
oracle nosql_database < 19.3.12 cpe:2.3:a:oracle:nosql_database:*:*:*:*:*:*:*:*

References for CVE-2018-1320

URL Tags
http://www.openwall.com/lists/oss-security/2019/07/24/3 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/106551 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2019:2413 Third Party Advisory
https://lists.apache.org/thread.html/07c3cd5a2953a4b253eee4437b1397b1603d0f886437e19b657d2c54%40%3Ccommits.cassandra.apache.org%3E
https://lists.apache.org/thread.html/187684ac8b94d55256253f5220cb55e8bd568afdf9a8a86e9bbb66c9%40%3Cdevnull.infra.apache.org%3E
https://lists.apache.org/thread.html/3d3b6849fcf4cd1e87703b3dde0d57aabeb9ba0193dc0cf3c97f545d%40%3Ccommits.cassandra.apache.org%3E
https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%3E
https://lists.apache.org/thread.html/6b07f6f618155c777191b4fad8ade0f0cf4ed4c12a1a746ce903d816%40%3Ccommits.cassandra.apache.org%3E
https://lists.apache.org/thread.html/8be5b16c02567fff61b1284e5df433a4e38617bc7de4804402bf62be%40%3Ccommits.cassandra.apache.org%3E
https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%3E
https://lists.apache.org/thread.html/da5234b5e78f1c99190407f791dfe1bf6c58de8d30d15974a9669be3%40%3Cuser.thrift.apache.org%3E
https://lists.apache.org/thread.html/dbe3a39b48900318ad44494e8721f786901ba4520cd412c7698f534f%40%3Cdev.storm.apache.org%3E
https://lists.apache.org/thread.html/dfee89880c84874058c6a584d8128468f8d3c2ac25068ded91073adc%40%3Cuser.storm.apache.org%3E
https://lists.apache.org/thread.html/e825ff2f4e129c0ecdb6a19030b53c1ccdf810a8980667628d0c6a80%40%3Cannounce.apache.org%3E
https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.org%3E
https://lists.apache.org/thread.html/r09c3dcdccf4b74ad13bda79b354e6b793255ccfe245cca1b8cee23f5%40%3Ccommits.cassandra.apache.org%3E
https://lists.apache.org/thread.html/r1015eaadef8314daa9348aa423086a732cfeb998ceb5d42605c9b0b5%40%3Ccommits.cassandra.apache.org%3E
https://lists.apache.org/thread.html/r2278846f7ab06ec07a0aa31457235e0ded9191b216cba55f3f315f16%40%3Ccommits.cassandra.apache.org%3E
https://lists.apache.org/thread.html/r261972a3b14cf6f1dcd94b1b265e9ef644a38ccdf0d0238fa0c4d459%40%3Ccommits.cassandra.apache.org%3E
https://lists.apache.org/thread.html/r3d71a6dbb063aa61ba81278fe622b20bfe7501bb3821c27695641ac3%40%3Ccommits.cassandra.apache.org%3E
https://lists.apache.org/thread.html/r4d3f1d3e333d9c2b2f6e6ae8ed8750d4de03410ac294bcd12c7eefa3%40%3Ccommits.cassandra.apache.org%3E
https://lists.debian.org/debian-lts-announce/2019/02/msg00008.html Mailing List Third Party Advisory
https://support.f5.com/csp/article/K36361684 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html Patch Third Party Advisory
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