How severe is CVE-2021-29883?

CVE-2021-29883 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-29883 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29883?

CVE-2021-29883 affects Ibm Transformation Extender Advanced. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-29883?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-29883 published?

CVE-2021-29883 was published on 2021-10-21 and last updated on 2026-06-17.

CVE-2021-29883

CVE-2021-29883 is a medium-severity vulnerability in Ibm Transformation Extender Advanced with a CVSS 3.x base score of 4.3. 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-311.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Ibm Transformation Extender Advanced
Published: 2021-10-21
Last modified: 2026-06-17

Description

IBM Standards Processing Engine (IBM Transformation Extender Advanced 9.0 and 10.0) does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic. IBM X-Force ID: 207090.

Frequently asked questions

What is CVE-2021-29883?: IBM Standards Processing Engine (IBM Transformation Extender Advanced 9.0 and 10.0) does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic. IBM X-Force ID: 207090.
How severe is CVE-2021-29883?: CVE-2021-29883 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-29883 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29883?: CVE-2021-29883 affects Ibm Transformation Extender Advanced. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29883?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-29883 published?: CVE-2021-29883 was published on 2021-10-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:transformation_extender_advanced:*:*:*:*:*:*:*:*

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