Denial of service in IBM Rational Team Concert (RTC) and IBM Engineering Workflow Management (EWM)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-4044 |
| CWE-ID | CWE-388 |
| Exploitation vector | Network |
| Public exploit | Vulnerability #1 is being exploited in the wild. |
| Vulnerable software Subscribe |
IBM Rational Team Concert Server applications / Other server solutions Engineering Workflow Management Server applications / Other server solutions |
| Vendor | IBM Corporation |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Error Handling
EUVDB-ID: #VU58906
Risk: Low
CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:H/RL:O/RC:C]
CVE-ID: CVE-2021-4044
CWE-ID:
CWE-388 - Error Handling
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an error in X509_verify_cert() implementation. A remote attacker can perform a denial of service attack.
Install update from vendor's website.
Vulnerable software versionsIBM Rational Team Concert: 6.0.6 - 6.0.6.1
Engineering Workflow Management: 7.0 - 7.0.2
External linkshttp://www.ibm.com/support/pages/node/6597229
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.
