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Vulnerability record · CVE-2023-38357 · published 1 August 2023

CVE-2023-38357: Rws worldserver vulnerability

Rws · Worldserver

Session tokens in RWS WorldServer 11.7.3 and earlier have a low entropy and can be enumerated, leading to unauthorized access to user sessions.

5.3 CVSS 3.1 Medium EPSS 5.3% · top 7.7% CWE-331 · CWE-331
5.3CVSS 3.1 base score
5.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

Session tokens in RWS WorldServer 11.7.3 and earlier have a low entropy and can be enumerated, leading to unauthorized access to user sessions.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/173609/RWS-WorldServer-11.7.3-Session-Token-Enumeration.html ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2023/Jul/30 ExploitMailing ListThird Party Advisory
https://www.redteam-pentesting.de/en/advisories/rt-sa-2023-001/-session-token-enumeration-in-rws-worldserver Third Party Advisory
http://packetstormsecurity.com/files/173609/RWS-WorldServer-11.7.3-Session-Token-Enumeration.html ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2023/Jul/30 ExploitMailing ListThird Party Advisory
https://www.redteam-pentesting.de/en/advisories/rt-sa-2023-001/-session-token-enumeration-in-rws-worldserver Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-34270Rws worldserver improper access control vulnerabilityAn issue was discovered in RWS WorldServer before 11.7.3. Regular users can create users with the Administrator role via UserWSUserManager.EPSS 0.89%9.8CVE-2022-34267Rws worldserver improper authentication vulnerabilityAn issue was discovered in RWS WorldServer before 11.7.3. Adding a token parameter with the value of 02 bypasses all authentication requirements. Arb…EPSS 42%9.8CVE-2022-34268Rws worldserver deserialization of untrusted data vulnerabilityAn issue was discovered in RWS WorldServer before 11.7.3. /clientLogin deserializes Java objects without authentication, leading to command execution…EPSS 1.5%8.8CVE-2022-34269Rws worldserver server-side request forgery (ssrf) vulnerabilityAn issue was discovered in RWS WorldServer before 11.7.3. An authenticated, remote attacker can perform a ws-legacy/load_dtd?system_id= blind SSRF at…EPSS 1.7%6.5CVE-2024-50848Rws worldserver xml external entity (xxe) vulnerabilityAn XML External Entity (XXE) vulnerability in the Import object and Translation Memory import functionalities of WorldServer v11.8.2 to access sensit…EPSS 1.2%4.8CVE-2024-50849Rws worldserver cross-site scripting vulnerabilityA Stored Cross-Site Scripting (XSS) vulnerability in the "Rules" functionality of WorldServer v11.8.2 allows a remote authenticated attacker to execu…EPSS 0.50%

Source: NIST National Vulnerability Database (record CVE-2023-38357), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.