How severe is CVE-2022-23317?

CVE-2022-23317 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 high, integrity none, and availability none.

Is CVE-2022-23317 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-23317?

CVE-2022-23317 affects Helpsystems Cobalt Strike. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-23317?

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-2022-23317 published?

CVE-2022-23317 was published on 2022-02-15 and last updated on 2026-06-17.

CVE-2022-23317

Q: What is CVE-2022-23317?

CobaltStrike <=4.5 HTTP(S) listener does not determine whether the request URL begins with "/", and attackers can obtain relevant information by specifying the URL.

CVE-2022-23317 is a high-severity vulnerability in Helpsystems Cobalt Strike 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Helpsystems Cobalt Strike
Published: 2022-02-15
Last modified: 2026-06-17

Description

CobaltStrike <=4.5 HTTP(S) listener does not determine whether the request URL begins with "/", and attackers can obtain relevant information by specifying the URL.

Frequently asked questions

What is CVE-2022-23317?: CobaltStrike <=4.5 HTTP(S) listener does not determine whether the request URL begins with "/", and attackers can obtain relevant information by specifying the URL.
How severe is CVE-2022-23317?: CVE-2022-23317 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 high, integrity none, and availability none.
Is CVE-2022-23317 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-23317?: CVE-2022-23317 affects Helpsystems Cobalt Strike. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-23317?: 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-2022-23317 published?: CVE-2022-23317 was published on 2022-02-15 and last updated on 2026-06-17.

References

https://donghuangt1.com/writings/Stager/

Affected products (1)

cpe:2.3:a:helpsystems:cobalt_strike:*:*:*:*:*:*:*:*

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