How severe is CVE-2022-28220?

CVE-2022-28220 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-2022-28220 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28220?

CVE-2022-28220 primarily affects Apache James. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-28220?

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-2022-28220 published?

CVE-2022-28220 was published on 2022-09-08 and last updated on 2026-06-17.

CVE-2022-28220

CVE-2022-28220 is a high-severity vulnerability in Apache James 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-77.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Apache James
Published: 2022-09-08
Last modified: 2026-06-17

Description

Apache James prior to release 3.6.3 and 3.7.1 is vulnerable to a buffering attack relying on the use of the STARTTLS command. Fix of CVE-2021-38542, which solved similar problem fron Apache James 3.6.1, is subject to a parser differential and do not take into account concurrent requests.

Frequently asked questions

What is CVE-2022-28220?: Apache James prior to release 3.6.3 and 3.7.1 is vulnerable to a buffering attack relying on the use of the STARTTLS command. Fix of CVE-2021-38542, which solved similar problem fron Apache James 3.6.1, is subject to a parser differential and do not take into account concurrent requests.
How severe is CVE-2022-28220?: CVE-2022-28220 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-2022-28220 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28220?: CVE-2022-28220 primarily affects Apache James. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-28220?: 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-2022-28220 published?: CVE-2022-28220 was published on 2022-09-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:apache:james:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:james:3.7.0:*:*:*:*:*:*:*

More vulnerabilities in Apache James

CVE-2023-51518 — Critical (CVSS 9.8): Apache James prior to version 3.7.5 and 3.8.0 exposes a JMX endpoint on localhost subject to pre-authentication…
CVE-2019-0228 — Critical (CVSS 9.8): Apache PDFBox 2.0.14 does not properly initialize the XML parser, which allows context-dependent attackers to conduct…
CVE-2021-40525 — Critical (CVSS 9.1): Apache James ManagedSieve implementation alongside with the file storage for sieve scripts is vulnerable to path…
CVE-2023-26269 — High (CVSS 7.8): Apache James server version 3.7.3 and earlier provides a JMX management service without authentication by default. This…
CVE-2006-2806 — High (CVSS 7.8): The SMTP server in Apache Java Mail Enterprise Server (aka Apache James) 2.2.0 allows remote attackers to cause a…
CVE-2021-40110 — High (CVSS 7.5): In Apache James, using Jazzer fuzzer, we identified that an IMAP user can craft IMAP LIST commands to orchestrate a…

All CVEs affecting Apache James →

Other CWE-77 (Command Injection) vulnerabilities

CVE-2026-23652 — Critical (CVSS 10.0): Improper neutralization of special elements used in a command ('command injection') in Microsoft Power Pages allows an…
CVE-2025-59818 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file…
CVE-2025-64093 — Critical (CVSS 10.0): Remote Code Execution vulnerability that allows unauthenticated attackers to inject arbitrary commands into the…
CVE-2025-64090 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute commands via the hostname of the device.
CVE-2025-61492 — Critical (CVSS 10.0): A command injection vulnerability in the execute_command function of terminal-controller-mcp 0.1.7 allows attackers to…
CVE-2025-10035 — Critical (CVSS 10.0): A deserialization vulnerability in the License Servlet of Fortra's GoAnywhere MFT allows an actor with a validly forged…

Browse all CWE-77 (Command Injection) vulnerabilities →